<p><strong>Our Library never stops expanding. What are the most recent contributions to LabRulezGCMS Library in the week of 3rd August 2026? Check out new documents from the field of the gas phase, especially GC and GC/MS techniques!</strong></p><blockquote><p><span style="font-size:20px;">👉 </span><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library"><span style="font-size:20px;"><strong>SEARCH THE LARGEST REPOSITORY OF DOCUMENTS ABOUT GCMS AND RELATED TECHNIQUES</strong></span></a></p></blockquote><blockquote><p><strong>👉 Need info about different analytical techniques?</strong> Peek into <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library"><strong>LabRulezLCMS</strong></a> or <a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/library"><strong>LabRulezICPMS</strong></a> libraries.</p></blockquote><p>This week we bring you application notes by <strong>Agilent Technologies </strong>and<strong> Shimadzu </strong>and presentation by<strong> MDCW / University of Alberta!</strong></p><h3><strong>1. Agilent Technologies: Analysis of Trace Impurities in Monocyclic Aromatic Solvents Following ASTM D7504</strong></h3><p><strong>Dual simultaneous analysis using the Agilent 8860B gas chromatograph</strong></p><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/an_trace_impurity_aromatic_solvents_analysis_astm_d7504_8860_gc_5994_9316en_agilent_c9fa6868e6.pdf"><strong>Full PDF for download</strong></a></li></ul><section><div><div><div><div><div><div><p>The production of high-purity monocyclic aromatic hydrocarbons, such as benzene, toluene, ethylbenzene, and xylenes (BTEX), is a cornerstone of the modern petrochemical industry. These compounds serve as essential feedstocks for the synthesis of plastics, resins, and textiles. Because even trace impurities can adversely affect downstream chemical reactions and product quality, rigorous analytical testing is required to ensure these intermediates meet strict commercial specifications.&nbsp;</p><p>ASTM D7504 is the industry-standard test method for determining the purity of, and trace impurities in, monocyclic aromatic hydrocarbons using gas chromatography (GC) with flame ionization detector (FID).1 This method is favored for its streamlined workflow; it utilizes effective carbon number (ECN) correction factors for area normalization. This eliminates the need for labor-intensive, multipoint calibrations for every individual impurity, allowing laboratories to calculate purity and quantify trace nonaromatics and aromatics with high precision.&nbsp;</p><p>The application scope of ASTM D7504 covers a wide array of aromatic liquids, including benzene, toluene, mixed xylenes, and styrene. To comply with the method's stringent performance requirements, the GC system must&nbsp;demonstrate:&nbsp;</p><ul><li><strong>High sensitivity: </strong>A limit of quantitation (LOQ) of at least 0.0006% by mass.</li><li><strong>Good resolution: </strong>Maintaining a valley-to-peak ratio of no more than 50% for critical separations (such as p-xylene and m-xylene).&nbsp;</li><li><strong>Strict precision: </strong>Highly reproducible peak areas to ensure accurate purity calculations.</li></ul><p>Implementing ASTM D7504 on a dual-channel GC/FID platform—where two independent analytical channels configured with identical injectors, columns, and detectors operate within a single GC oven—provides significant operational advantages:&nbsp;</p><ol><li>Enhanced laboratory throughput: By performing two injections simultaneously, the test lab can double its sample capacity per instrument, effectively reducing the cost-per-analysis and maximizing hardware ROI.&nbsp;</li><li>Method flexibility and redundancy: A dual-channel set up allows a lab to run different sample types (such as toluene on the front channel and xylene on the back) in a single oven cycle. Furthermore, it provides an immediate "back up" channel to maintain uptime during routine&nbsp;maintenance.&nbsp;</li></ol><p>For the system to be considered reliable, both channels should meet ASTM D7504 sensitivity, resolution, and precision requirements. In addition, both channels should yield consistent quantitative results for the same sample. The reproducibility limit (R) demonstrated in ASTM D7504 interlaboratory testing will be used to evaluate the result consistency between the two channels.</p><p>ASTM D7504 recommends helium and hydrogen as carrier gas. In China, major Chinese petrochemical companies often align their internal quality control standards directly with ASTM D7504 when testing for export of high-purity chemical intermediates. Because nitrogen is commonly used in China, they commonly adapt the ASTM D7504 method to use nitrogen carrier gas.&nbsp;</p><p>This application note demonstrates how dual-channel analysis on the Agilent 8860B GC, following ASTM D7504, delivers consistent and high-precision data using three types of carrier gas.</p><h4><strong>Experimental</strong></h4><p>An <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?mainauthorItems=10&amp;search=8860B"><strong>Agilent 8860B GC</strong></a><strong> </strong>was configured with dual split/splitless inlets and dual flame ionization detectors (FIDs). The sample introduction was made by dual <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?mainauthorItems=10&amp;search=7693A"><strong>Agilent 7693A automatic liquid samplers (ALS)</strong></a> with high density turrets (16-vial). The analytical parameters and consumables are summarized in Tables 1 and 2. Data acquisition and analysis were conducted using <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?mainauthorItems=10&amp;search=OpenLab+CDS"><strong>Agilent OpenLab CDS version 2.8</strong></a></p><h4><strong>Conclusion&nbsp;</strong></h4><p>The Agilent 8860B gas chromatography system configured with two identical analytical channels are applied for impurity analysis in monocyclic aromatic solvents using three carrier gases. Each analytical channel was evaluated according to the ASTM D7504 method in terms of resolution, sensitivity, quantitation precision, and recovery with satisfactory results. The quantitation results between the two channels are consistent with each other.&nbsp;</p><ul><li>Column resolution compounds pair demonstrated good separation with H/V no less than 5:1 for 300 ppm m-xylene and p-xylene solvent.&nbsp;</li><li>The LODs achieved for benzene on each analytical channel are less than 0.0001%, exceeding the 0.0002% LOD required by ASTM D7504.&nbsp;</li><li>The response and mass concentration precisions of most impurities in check standards are below 1%, meeting or exceeding the precision requirements in D7504.&nbsp;</li><li>Excellent recovery results, ranging from 93 to 105%, was achieved for added impurities, indicating good quantification accuracy based on the 8860B GC system.&nbsp;</li><li>The quantitation difference of all probe impurities between two channels is less than the reproducibility thresholds (R), demonstrating excellent across channel consistency</li></ul><p>Besides great instrument performance, the Agilent OpenLab CDS software can realize ECN based normalization for easy and fast quantitation and report generation. The 8860B dual channel GC system coupled with the OpenLab CDS software provides an accurate and reliable analysis of impurities in monocyclic aromatic solvents with satisfactory precision. Lab productivity can be improved significantly compared to the single channel analytical system.</p><h3><strong>2. MDCW / University of Alberta: Leveraging Local Libraries for Positively Parsimonious Peak Tables</strong></h3><ul><li>Presentation</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/O_6_Harynuk_f005bdafaf.pdf"><strong>Full PDF for download</strong></a></li></ul><section><div><div><div><div><div><div><p>James J. Harynuk’s presentation, <strong>“Leveraging Local Libraries for Positively Parsimonious Peak Tables,”</strong> explores how custom mass spectral libraries can simplify and improve compound identification in complex GC×GC-(HR)MS datasets. GC×GC-MS is widely applied in petroleum, environmental, food/flavour, and omics research, where samples can contain hundreds or thousands of peaks. While expanded separation space, cleaner spectra, retention patterns, and high-resolution accurate-mass data provide strong identification capabilities, converting large datasets into coherent peak tables with consistent compound assignments across multiple samples remains challenging.</p><p>The presentation demonstrates the approach using a field pea study investigating how nitrogen availability influences plant metabolism and volatile organic compounds. A conventional workflow based on peak finding and library searching can generate very large peak tables and inconsistent assignments. Incorporating retention indices (RI) and LECO’s Identification Grading System (IGS) substantially reduces the number of questionable peaks. In one example, a pea sample containing <strong>789 detected peaks was reduced to 146 retained peaks</strong> after RI filtering and IGS scoring, producing a much more manageable dataset. However, conventional libraries still struggle with isomers and with compounds that repeatedly occur in a laboratory’s samples but cannot yet be confidently identified—the presentation calls these <strong>“unknown knowns.”</strong></p><p>Harynuk therefore proposes building a <strong>custom local HRMS library</strong> containing not only standards and confidently identified compounds, but also reproducible unknown features. To qualify for inclusion, a peak should have a high-quality spectrum, S/N &gt;100, chromatographic purity, occurrence in multiple technical replicates, an assigned retention index, and a unique identifier. Crucially, the exact chemical identity does not need to be known: an unknown but reproducible feature can receive an internal identifier such as “JJH-001” and be updated later as more information becomes available. This allows laboratories to retain analytically meaningful recurring signals instead of discarding them simply because a definitive library identification is unavailable.</p><p>The results show that combining a custom library with local RI data and IGS filtering improves both the consistency and efficiency of peak-table generation. Compounds with IGS scores ≥3.0 were generally assigned the same identification across samples when the custom library was used, while reliance on NIST and IGS alone produced less consistent results. After correcting only a small number of problematic identifications per peak table, retention-index errors for custom-library entries dropped dramatically—in the evaluated samples, typically to around <strong>0.5–1.9 RI units</strong>. The key recommendation is therefore straightforward: <strong>build a custom MS library, include recurring “unknown knowns,” collect local retention-index data, and apply identification-quality filters</strong> to obtain cleaner and more consistent GC×GC-MS peak tables with substantially less manual effort.</p><h3><strong>3. Shimadzu: Simultaneous Analysis of Pesticide Residues in Food Using Triple Quadrupole GC-MS/MS with SPL Mode of a Multimode injection Unit (MMI)</strong></h3><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/an_01_01234_en_d8cff47c74.pdf"><strong>Full PDF for download</strong></a></li></ul><h4><strong>User benefits</strong></h4><ul><li>The MMI’s rapid heating and cooling technology significantly reduces waiting time during inlet maintenance, improving instrument uptime.&nbsp;</li><li>The Smart Pesticides Database enables automatic creation of analytical methods without the need for pesticide standards.&nbsp;</li><li>Peakintelligence for GCMS uses AI-based peak processing to deliver highly accurate analysis with no parameter settings required</li></ul><p>GC-MS/MS is an indispensable tool for the simultaneous analysis of pesticide residues in food. However, improving productivity in high-throughput workflows remains a persistent challenge. With the increasing use of simplified sample preparation methods such as QuEChERS, contamination of the inlet by matrix components is unavoidable, and frequent inlet maintenance, including liner replacement, is often required. Because this maintenance involves both cooling the inlet and waiting for temperature re-stabilization afterward, it can become a major source of instrument downtime.&nbsp;</p><p>The newly developed Multi-Mode Inlet (MMI) incorporates Shimadzu’s proprietary thermal insulation technology, providing excellent temperature stability together with rapid heating and cooling performance. While maintaining high data compatibility with conventional split/splitless inlets, the MMI significantly reduces the waiting time associated with inlet maintenance.</p><p>In this Application News, simultaneous multiresidue analysis in SPL mode is demonstrated for four food matrices with different characteristics - spinach, orange, avocado, and ginger - using the <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?mainauthorItems=1&amp;search=GCMS-TQ+8040+RX"><strong>GCMS-TQ 8040 RX triple quadrupole</strong> </a>GC-MS/MS equipped with the MMI.</p><h4><strong>Data Analysis&nbsp;</strong></h4><p>LabSolutions Insight, a quantitative data processing software package designed for high-throughput sample analysis, was used for data analysis, with Peakintelligence for GCMS applied as the peak integration algorithm (Fig. 6). Peakintelligence is an AI-based waveform processing algorithm that uses machine learning to emulate the peak processing performed by experienced analysts. It requires no operator-defined parameter settings and provides peak integration performance comparable to that of skilled users.&nbsp;</p><p>For more information on improving the efficiency of pesticide data analysis using Peakintelligence for GCMS, please refer to Application News 01-00585-EN, “<a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/an_01_00585_en_7e311a3c77/an_01-00585-en.pdf"><strong>Time-Saving Data Processing for Pesticide Residues with Peakintelligence for GCMS</strong></a>.”</p><h4><strong>Conclusion&nbsp;</strong></h4><p>In this Application News, an example of simultaneous multiresidue pesticide analysis in food using a triple quadrupole GC-MS/MS equipped with a Multi-Mode Inlet (MMI) was presented. By adopting the MMI, instrument downtime associated with inlet maintenance can be significantly reduced while maintaining high quantitative performance. In addition, by combining automated method creation with the Smart Pesticides Database and efficient data analysis using the AIbased waveform processing algorithm Peakintelligence for GCMS, highly accurate results were obtained even for complex food matrices. This system optimizes the overall analytical workflow, from method development and maintenance to data analysis, and can make a substantial contribution to improving productivity in high-throughput pesticide residue analysis.</p></div></div></div></div></div></div></section></div></div></div></div></div></div></section>

News from LabRulezGCMS Library - Week 32, 2026

<p><strong>Gas Chromatography–Mass Spectrometry (GC-MS) is a powerful analytical technique widely used for compound identification, quantification, and structural elucidation. By coupling the separation efficiency of gas chromatography (GC) with the detection and identification capabilities of mass spectrometry (MS), GC-MS enables highly sensitive and specific chemical analysis.&nbsp;</strong></p><p>Understanding how GC-MS works, and its underlying principles, helps scientists optimize analytical workflows, improve accuracy, and troubleshoot effectively whether in environmental testing, drug development, or forensic investigations.</p><h3><strong>What is GC-MS?</strong></h3><p>GC-MS is a hybrid analytical technique that combines the separation power of gas chromatography with the molecular identification capability of mass spectrometry.</p><p>In gas chromatography, a vaporized sample is carried by an inert gas (such as helium or hydrogen) through a capillary column coated with a stationary phase. Each compound interacts differently with the stationary phase depending on its volatility and polarity, causing them to separate as they elute at distinct retention times.</p><p>As compounds exit the column, they enter the mass spectrometer, where they are ionized and fragmented. The mass-to-charge ratio (m/z) of these ions is measured, producing a mass spectrum, a unique molecular fingerprint that enables unambiguous compound identification and quantification.</p><p>This seamless coupling of GC and MS enhances analytical performance by combining chromatographic separation with mass-based detection, allowing even trace-level compounds to be analyzed in complex matrices.</p><h3><strong>Principle of GC-MS</strong></h3><p>The principle of gas chromatography–mass spectrometry involves two fundamental processes:</p><h4><strong>Separation by Gas Chromatography</strong></h4><p>Compounds are vaporized and separated in the <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products?category=7&amp;manufacturerItems=50"><strong>GC column</strong></a> based on their boiling points and interaction strength with the stationary phase. Less volatile compounds or those with stronger affinity for the column elute later, giving each component a unique retention time.</p><h4><strong>Detection by Mass Spectrometry</strong></h4><p>As compounds elute, they are introduced into the MS, where they undergo ionization commonly by electron impact or chemical ionization. Ionization produces charged fragments that are separated in a mass analyzer according to their mass-to-charge (m/z) ratio. The resulting mass spectra serve as fingerprints that enable identification and quantitation through comparison with spectral libraries.</p><p>This dual process allows GC-MS to distinguish structurally similar molecules and perform trace-level analyses in complex mixtures with exceptional accuracy.</p><h3><strong>Step-by-Step Working of GC-MS</strong></h3><ul><li><strong>Sample Introduction:</strong> A liquid or gaseous sample is introduced into the GC, typically with a split or splitless inlet, where it is vaporized immediately.</li><li><strong>Separation in GC Column:</strong> The carrier gas propels the vaporized sample through a long capillary column. Compounds interact with the stationary phase, and those with greater affinity or lower volatility move slower, thus separating from other compounds.</li><li><strong>Transfer to MS:</strong> As separated analytes elute, they are transferred into the mass spectrometer via a heated interface.</li><li><strong>Ionization and Fragmentation:</strong> In the MS, an ion source generates charged ions and fragments. These fragments reflect the compound’s structure.</li><li><strong>Mass Analysis:</strong> The mass analyzer (commonly a quadrupole, but also ion trap or TOF) separates ions by m/z. Each analyte produces a unique mass spectrum.</li><li><strong>Detection and Data Output:</strong> Detectors (e.g., electron multipliers) record signal intensities at each m/z, producing a total ion chromatogram (TIC) and mass spectra, which the data system interprets for compound identification and quantification.</li></ul><h3><strong>Applications of GC-MS</strong></h3><ul><li><strong>Forensic Science:</strong> Used in toxicology, drug identification, and arson investigations, GC-MS provides highly specific detection of trace evidence and controlled substances.</li><li><strong>Pharmaceuticals:</strong> Supports drug purity testing, residual solvent analysis, and metabolite profiling during formulation and quality control.</li><li><strong>Environmental Testing:</strong> Monitors pesticides, volatile organic compounds (VOCs), and pollutants in air, water, and soil samples to ensure regulatory compliance.</li><li><strong>Food Safety:</strong> Detects contaminants, additives, and flavor compounds to maintain product safety and authenticity.</li><li><strong>Clinical and Biomedical Research:</strong> Used in metabolomics and clinical diagnostics to identify volatile biomarkers and metabolites relevant to disease states.</li></ul><h3><strong>Key Benefits of Using GC-MS</strong></h3><ul><li><strong>High Sensitivity and Specificity:</strong> Detects trace-level compounds in complex matrices.</li><li><strong>Comprehensive Structural Information:</strong> Mass spectra provide molecular fingerprints for precise identification.</li><li><strong>Separation and Identification Combined:</strong> Minimizes matrix interference and enhances quantitation accuracy.</li><li><strong>Wide Application Range:</strong> Suitable for environmental, pharmaceutical, food, and forensic testing.</li><li><strong>Extensive Spectral Libraries:</strong> Enables rapid identification of known and unknown compounds.</li></ul><p>A solid understanding of the <a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/resources/knowledge-center/gc-knowledge-center/understanding-the-essential-components-of-gas-chromatography"><strong>components of gas chromatography</strong></a> such as injectors, columns, and detectors helps analysts optimize GC-MS system performance and ensure accurate, reproducible results.</p>

GC-MS: Principles of How it Works?

<p><strong>In late February 2025, a train carrying benzene derailed in Hustopeče nad Bečvou, and within hours, a race was on to save the groundwater and surface water. One of the most toxic industrial substances began seeping into the gravel-sand subsoil. While fieldwork was underway to prevent the spread of contamination, decisions were already being made in the CXI TUL laboratories regarding how to subsequently clean up the contaminated rock environment.</strong></p><p>The accident ranks among the <strong>most serious environmental incidents in the Czech Republic in recent years</strong>. After a tanker train derailed, hundreds of<strong> metric tons of benzene leaked</strong>; due to the highly permeable geological subsoil, it quickly seeped into deeper soil layers and into the groundwater. The combination of the substance’s high toxicity and local conditions complicated both the emergency response and the subsequent remediation. The key was to stop further spread, determine the extent of the contamination, and establish a remediation strategy for the entire site.</p><p>It was at this stage that CXI TUL became involved in the solution. At the request of the renowned remediation company DEKONTA, a.s., a team led by <strong>RNDr. Jan Němeček, Ph.D.</strong>, began testing the feasibility of the<strong> in situ chemical oxidation (ISCO) method</strong>. This technology is designed to<strong> break down benzene directly within the rock matrix</strong>, without the need for extensive excavation of contaminated soil or the pumping out of large volumes of groundwater. The goal was simple: to find a method that would work quickly, safely, and under the actual conditions of the affected site.</p><h4><strong>Benzene Remediation: Technically Simple, Complicated in Practice</strong></h4><p>Benzene is a highly toxic and carcinogenic substance that rapidly penetrates into groundwater in permeable subsoil, where it dissolves and spreads further as the water flows toward surface water bodies. Benzene also binds to rock particles and migrates in the form of vapors into overlying unconsolidated layers.</p><p>Scientists in Liberec therefore tested <i>in situ </i>chemical oxidation (ISCO) technology under laboratory conditions. The goal was to find an oxidant capable of breaking down benzene directly underground into less hazardous substances.</p><p>The tests evaluated two main options:<strong> activated hydrogen peroxide and sodium peroxodisulfate</strong>. Both substances removed up to<strong> 99.99% of the benzene</strong>, but there was a difference in their kinetics and impacts on the natural environment. Activated hydrogen peroxide achieved nearly complete degradation of the contaminant within a single day. Activated sodium peroxodisulfate was slower and also significantly altered the chemistry of the water; it acidified the environment and increased the sulfate content in the water, which poses an additional environmental burden.</p><p>For field applications, the researchers therefore unequivocally recommended <strong>activated hydrogen peroxide</strong>.</p><h4><strong>Dosage Matters</strong></h4><p>It was not just the oxidant’s effectiveness that was key. It was equally important to determine how the chemical reaction would behave in a real geological environment. The team of scientists therefore also analyzed what is known as <strong>soil oxidant consumption (SOD)</strong>. It turned out that a significant portion of the oxidizing agent does not react solely with benzene but is also consumed to a significant extent by the rock environment itself, particularly by natural organic substances present in the fine-grained fraction of the soil.</p><p>An oxidant consumption value was determined specifically for the local composition of the aquifers, which is essential for the correct dosing of chemicals in the field so that the remediation is not only effective but also economically viable and safe for surrounding ecosystems.</p><h4><strong>One Year After the Accident: Research Turns into Real-World Assistance</strong></h4><p>While the public often perceives university science as a distant world of laboratories and grant projects, it is precisely situations like this that demonstrate its practical impact. The results of the work by researchers at CXI TUL did not remain confined to academic studies but directly influenced decisions regarding the technology used to clean up one of the largest environmental accidents in recent years.</p>

Science on the Front Lines: Cleanup of a Benzene Spill

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The Institute for Nanomaterials, Advanced Technologies and Innovations of the Technical University of Liberec, also known as CXI TUL, was founded in 2009. Our mission is to support TUL's long-term vision of collaboration with industry and innovation.

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BaySpec Multimodal Ionization Source

BaySpec Multimodal Ionization combines plasma and corona discharge ionization to expand analyte coverage, reduce noise, and deliver flexible ambient MS analysis of vapors and gases.

<h4><strong>Ambient Ionization Sources for Portable Mass Spectrometers</strong></h4><p>BaySpec offers many types of ionization sources to use with our <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2219"><strong>Portability™</strong></a><strong> </strong>and <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2218"><strong>Continuity™</strong></a> portable mass spectrometers. Delivering ultimate mobility and ease of use, BaySpec’s Portability™ and Continuity™ are compatible with ambient ionization techniques, which do not require any gases or tanks to run measurements. Making it ideal for field analysis, ambient ionization does not require sample preparation; sample introduction quick, direct, and easy to perform by anyone in any location. Providing flexibility to perform applications using various ionization techniques, the external ionization sources can also easily be swapped in less than a minute.</p><h4><strong>Key Features</strong></h4><ul><li>TD-ESI, ESI, TD-APCI, Swab-APCI, APCI, DBDI, and more</li><li>Ambient Ionization</li><li>No Tanks or External Pumps</li><li>No Sample Prep</li><li>Swappable</li><li>Field Analysis Ready</li><li>Real-time Results</li><li>Vapors, Liquids, Solids</li></ul><h4><strong>Muiltimodal Ionization</strong></h4><p>Combined plasma-based and corona discharge-based ionization, allowing for a greater coverage of analytes. This patented technology improves ion generation and reducing noise. Can be operated in combined, DBDI only, or APCI only mode, offering versatility for different analytical needs. It is best suited for the analysis of vapor and gas samples but an optional thermal desorber extends its capabilities to solid and liquid samples.</p>

BaySpec PI Ionization Source

BaySpec PhotoIonization (PI) uses low-energy UV photons to selectively ionize analytes with minimal chemical noise, ideal for sensitive field analysis of pesticides and steroids.

<h4><strong>Ambient Ionization Sources for Portable Mass Spectrometers</strong></h4><p>BaySpec offers many types of ionization sources to use with our <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2219"><strong>Portability™</strong></a><strong> </strong>and <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2218"><strong>Continuity™</strong></a> portable mass spectrometers. Delivering ultimate mobility and ease of use, BaySpec’s Portability™ and Continuity™ are compatible with ambient ionization techniques, which do not require any gases or tanks to run measurements. Making it ideal for field analysis, ambient ionization does not require sample preparation; sample introduction quick, direct, and easy to perform by anyone in any location. Providing flexibility to perform applications using various ionization techniques, the external ionization sources can also easily be swapped in less than a minute.</p><h4><strong>Key Features</strong></h4><ul><li>TD-ESI, ESI, TD-APCI, Swab-APCI, APCI, DBDI, and more</li><li>Ambient Ionization</li><li>No Tanks or External Pumps</li><li>No Sample Prep</li><li>Swappable</li><li>Field Analysis Ready</li><li>Real-time Results</li><li>Vapors, Liquids, Solids</li></ul><h4><strong>PhotoIonization (PI)</strong></h4><p>Uses high-intensity, low-energy UV photons to ionize analytes, reducing chemical noise as common solvents and air components remain non-ionized. It is particularly effective for molecules such as pesticides and steroids with lower ionization energies. No auxiliary gas is needed, and a thermal desorber can be used to process solid or liquid samples.</p>

BaySpec Custom Ionization Source

BaySpec Customized Ionization Solutions deliver tailor-made ambient ion sources to meet specific experimental and industrial needs, ensuring optimal performance for diverse sample types.

<h4><strong>Ambient Ionization Sources for Portable Mass Spectrometers</strong></h4><p>BaySpec offers many types of ionization sources to use with our <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2219"><strong>Portability™</strong></a><strong> </strong>and <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2218"><strong>Continuity™</strong></a> portable mass spectrometers. Delivering ultimate mobility and ease of use, BaySpec’s Portability™ and Continuity™ are compatible with ambient ionization techniques, which do not require any gases or tanks to run measurements. Making it ideal for field analysis, ambient ionization does not require sample preparation; sample introduction quick, direct, and easy to perform by anyone in any location. Providing flexibility to perform applications using various ionization techniques, the external ionization sources can also easily be swapped in less than a minute.</p><h4><strong>Key Features</strong></h4><ul><li>TD-ESI, ESI, TD-APCI, Swab-APCI, APCI, DBDI, and more</li><li>Ambient Ionization</li><li>No Tanks or External Pumps</li><li>No Sample Prep</li><li>Swappable</li><li>Field Analysis Ready</li><li>Real-time Results</li><li>Vapors, Liquids, Solids</li></ul><h4><strong>Customized Solutions</strong></h4><p>For applications requiring specialized solutions, we provide custom ionization sources designed to meet specific experimental and industrial demands. Our expert team develops bespoke modules that enhance your analytical capabilities, ensuring optimal performance and precise, targeted investigations for a variety of sample types, whether you’re expanding your current setup or integrating into new equipment.</p>

Thermo Scientific Triton Series Multicollector Thermal Ionization Mass Spectrometer (TIMS)

High-precision multicollector TIMS for demanding isotope ratio analysis, delivering exceptional sensitivity, stability, and accuracy for ultra-small and low-abundance samples.

<p><strong>The Thermo Scientific™ Triton™ Series Multicollector Thermal Ionization Mass Spectrometer (TIMS) is a high-precision platform designed for the most demanding isotope ratio measurements. Built on more than two decades of continuous development, the Triton Series combines field-proven TIMS performance with state-of-the-art detection and ion-optical technologies to deliver exceptional accuracy, stability, and sensitivity—especially for small samples and low-abundance isotopes.</strong></p><p>At the heart of the Triton Series is a <strong>high-stability thermal ionization source</strong>, optimized for maximum ion transmission and minimal kinetic energy spread. This ensures highly reproducible ion beams for both single- and double-filament techniques, enabling precise isotope ratio analysis across a wide range of elements and applications.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Triton_Series_Multicollector_Thermal_Ionization_Mass_Spectrometer_TIMS_2_e9fa5e958e.jpg" alt="Thermo Scientific Triton Series Multicollector Thermal Ionization Mass Spectrometer (TIMS)" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Triton_Series_Multicollector_Thermal_Ionization_Mass_Spectrometer_TIMS_2_e9fa5e958e.jpg 182w," sizes="100vw" width="650" height="558"></p><h3><strong>Advanced detection and ion optics</strong></h3><p>The Triton Series integrates multiple complementary detector technologies to address diverse analytical challenges:</p><ul><li><strong>10¹³ Ω Amplifier Technology</strong> extends the lower detection limits, delivering faster response times, extremely low noise, and significantly improved internal precision for small ion beams.</li><li><strong>Retarding Potential Quadrupole (RPQ) lenses</strong> provide exceptional abundance sensitivity by suppressing scattered ions and mass tailing, enabling accurate quantification of minor isotopes even next to intense ion beams.</li><li><strong>Multi Ion Counting (MIC) packages</strong> allow simultaneous detection of the lowest-intensity ion beams using SEM and CDD ion counters, with flexible configurations tailored to nuclear, geochronological, and geochemical applications.</li><li><strong>Stable, linear SEM and CDD ion counters</strong> ensure reliable measurements for ultra-low sample amounts and rare isotopes.</li><li><strong>High-performance Faraday cups</strong> guarantee uniform response, long operational lifetime, and excellent linearity for high-precision static and dynamic measurements.</li><li><strong>Movable multicollector array</strong> supports up to nine Faraday cups with precise alignment over a wide mass range, extendable to static Ca and Li isotope measurements.</li><li><strong>Virtual amplifier technology</strong> enables cancellation of gain factor uncertainties through amplifier rotation, achieving low-ppm external reproducibility in efficient static measurement modes.</li></ul><h3><strong>Designed for the most demanding isotope ratio applications</strong></h3><p>The Triton Series is ideally suited for applications where ultimate precision and high abundance sensitivity are essential, including:</p><ul><li>Radiogenic and stable isotope geochemistry</li><li>Geochronology (U–Pb, Pb–Pb, Rb–Sr, Sm–Nd, Lu–Hf systems)</li><li>Nuclear safeguards and nuclear forensic isotope analysis</li><li>Environmental and cosmochemical research</li><li>Analysis of ultra-small sample amounts and isotopically scarce materials</li></ul><p>Available in configurations such as <strong>Triton XT</strong> and <strong>Triton Plus</strong>, tailored to different performance priorities within high-precision isotope ratio analysis, the Thermo Scientific Triton Series TIMS offers a flexible, future-proof solution that continues to set the benchmark for thermal ionization mass spectrometry.</p>

Thermo Scientific ConFlo IV Universal Continuous Flow Interface

Universal continuous flow interface for IRMS enabling automated multi-device control, higher throughput, lower costs, and stable, unattended isotope analysis.

<p><strong>Thermo Scientific™ ConFlo IV Universal Continuous Flow Interface is a versatile continuous flow interface designed to significantly expand the application range of stable isotope laboratories using isotope ratio mass spectrometry (IRMS). The ConFlo IV system enables seamless connection of multiple sample preparation devices, delivering fully automated, stable, and highly reproducible measurements.</strong></p><p>The system features <strong>intelligent management of all required reference gases, automatic sample-size recognition, precise matching of sample and reference signals, and advanced self-diagnostics</strong>. These capabilities reduce operator involvement, lower operating costs, and increase overall laboratory throughput.</p><h3><strong>Key features</strong></h3><ul><li><strong>Management of multiple devices</strong><br>Automated switching between different sample preparation units, including activation, deactivation, and reference gas changes, maximizes IRMS utilization.</li><li><strong>Continuous, unattended operation</strong><br>Application switching can occur at any time without operator intervention; preparation devices can be regenerated and reloaded while other analyses are running.</li><li><strong>Maximized performance and efficiency</strong><br>Using reference gases instead of bulk reference materials reduces operating costs by nearly 50 % while increasing sample throughput by almost 50 %.</li><li><strong>Enhanced accuracy and stability</strong><br>Automatic adjustment of reference gas pulse intensities equalizes conditions between sample and reference gases, improving precision and long-term reliability.</li><li><strong>Advanced data quality control</strong><br>Critical system parameters affecting data quality are automatically monitored across all sample sequences.</li><li><strong>Single-interface control</strong><br>All connected preparation and inlet devices are controlled through one interface, with the ability to add new samples or entirely new applications without interrupting ongoing data acquisition.</li></ul>

Thermo Scientific DELTA Q Isotope Ratio Mass Spectrometer

High-performance IRMS combining exceptional sensitivity, robust design, and intuitive Qtegra ISDS software for food authenticity, environmental, forensic, and research isotope applications.

<p><strong>The Thermo Scientific™ DELTA™ Q Isotope Ratio Mass Spectrometer (IRMS) represents a new evolutionary step in isotope ratio analysis, combining outstanding analytical performance with intuitive operation powered by </strong><a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/products/1489"><strong>Qtegra™ Intelligent Scientific Data Solution (ISDS)</strong></a><strong> software.&nbsp;</strong></p><p>The DELTA Q IRMS is designed for seamless integration with a wide range of Thermo Scientific peripherals, making it a highly flexible platform for applications such as <strong>food authenticity testing, environmental and forensic analysis, doping control, and advanced scientific research</strong>.</p><h4><strong>Outstanding sensitivity</strong></h4><ul><li>Sensitivities of up to <strong>800 molecules per CO₂ ion</strong> in dual-inlet mode and <strong>1,000 molecules per ion</strong> in continuous-flow mode.</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_DELTA_Q_Isotope_Ratio_Mass_Spectrometer_2_671e47510f.jpg" alt="Thermo Scientific DELTA Q Isotope Ratio Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_DELTA_Q_Isotope_Ratio_Mass_Spectrometer_2_671e47510f.jpg 197w," sizes="100vw" width="650" height="517"></p><h4><strong>Versatility for diverse applications</strong></h4><ul><li>Support for up to <strong>10 collectors</strong> in multiple configurations, covering all IRMS applications up to <strong>m/z 96</strong>.</li><li><strong>Simultaneous mass range up to ±25%</strong>, enabling efficient multi-isotope measurements.</li><li>Compatibility with <strong>preconcentrators, elemental analyzers, GC interfaces, LC interfaces</strong>, and continuous-flow inlets.</li><li><strong>On-line H₂ capability</strong> for hydrogen isotope analysis.</li></ul><h4><strong>Highly robust and reliable design</strong></h4><ul><li>A <strong>monolithic analyzer</strong> with fixed alignment of all ion-optical components, including the electromagnet, ensuring exceptional long-term stability and robustness.</li><li>Integrated signal amplifiers and digitizers minimize external connections and increase reliability.</li><li>Fixed-position ion optics eliminate the need for realignment during installation or routine maintenance.</li><li>Optimized pumping strategy enables <strong>single-stage turbo pumping</strong> for all standard continuous-flow applications.</li><li>Comprehensive, automated diagnostics driven by <strong>Qtegra ISDS software</strong> support continuous performance monitoring.</li></ul><h4><strong>Compact and user-friendly design</strong></h4><ul><li>Compact footprint requiring minimal laboratory space.</li><li>Dedicated space for online peripherals on top of the instrument.</li><li>Dual inlet, µ-volume, and multiport interfaces are neatly integrated inside the system.</li><li>Continuous-flow interfaces can be fully controlled from the front panel.</li><li>All pumps are located internally, reducing noise and laboratory clutter.</li></ul><h4><strong>Qtegra™ ISDS Software</strong></h4><ul><li>Significantly increases laboratory productivity with <strong>automatic Get Ready functionality</strong>, ready-to-use templates, and built-in quality control tools.</li><li>Intelligent, optimized workflows guide users from sample to result while allowing flexible switching between system configurations.</li><li>Ensures full <strong>data integrity and traceability</strong> for raw data, metadata, and reported results.</li></ul><h4><strong>ACT label certification</strong></h4><p>The DELTA Q IRMS is certified with the <strong>ACT Environmental Impact Label</strong> from My Green Lab, providing transparent, third-party verified information on environmental impact across manufacturing, energy and water use, packaging, and end-of-life considerations—supporting sustainable laboratory procurement and reduced carbon footprint.</p>

Thermo Scientific Prima PRO Process Mass Spectrometer

Thermo Scientific™ Prima PRO is a highly reliable process analyzer designed for fast, precise multi-stream analysis in industrial processes. It delivers high analytical accuracy, stability, and robust performance in demanding process control applications.

<p><strong>The Thermo Scientific™ Prima PRO Process Mass Spectrometer is a highly reliable and versatile gas analyzer designed for fast, precise, multi-stream gas analysis in industrial process environments. Utilizing scanning magnetic sector technology, the system delivers superior analytical accuracy, long calibration intervals, and strong resistance to contamination. These capabilities make it suitable for demanding process control applications across the chemical, petrochemical, biotechnology, semiconductor, and steel industries.</strong></p><p>The integrated Rapid Multi-Stream Sampler (RMS) inlet system enables selection from up to <strong>127 process streams</strong>, allowing a single analyzer to replace multiple gas chromatographs while maintaining high sampling frequency. The intuitive touchscreen interface, configurable user permissions, and flexible model configurations support efficient operation, regulatory compliance, and scalable deployment across diverse industrial workflows.</p><h4><strong>Key features</strong></h4><ul><li><strong>High-precision scanning magnetic sector technology</strong> for real-time gas analysis</li><li><strong>Rapid Multi-Stream Sampling (RMS)</strong> system for up to 127 process streams</li><li><strong>Programmable analytical methods</strong> with universal detector capability</li><li><strong>Optional Variable Pressure Inlet</strong> (1000 mbar to 0.3 mbar) for flexible integration</li><li><strong>Intuitive touchscreen interface</strong> with real-time data visualization</li><li><strong>Advanced security </strong>with multi-role user permissions</li><li><strong>Scalable configurations</strong> for diverse industrial applications</li></ul><h4><strong>Technical specifications</strong></h4><ul><li><strong>Analysis time: </strong>0.3–1.0 s per gas component</li><li><strong>Analyzer type: </strong>Scanning laminated electromagnet, 6 cm radius, 80° deflection</li><li><strong>Area classification:</strong> ATEX / IECEx / UKEx Zone 1 and Zone 2 T3</li><li><strong>Detector: </strong>Faraday and optional Faraday/SEM dual detector</li><li><strong>Dynamic range: </strong>1 ppm – 100% (application dependent)</li><li><strong>Power: </strong>115/230 VAC</li><li><strong>Precision: </strong>Better than 0.1% relative over 24 h</li><li><strong>Resolution: </strong>Switchable collector slits; standard resolving powers 60 (1 mm) and 20 (4 mm); optional higher resolutions</li><li><strong>Stability:</strong> Better than 10% relative over one month</li><li><strong>User interface:&nbsp;</strong><ul style="list-style-type:circle;"><li><strong>Prima PRO 710:&nbsp;</strong>Color touchscreen GUI</li><li><strong>Prima PRO 700:&nbsp;</strong>None (remote operation)</li></ul></li><li><strong>Ambient temperature:</strong> 12–42 °C</li><li><strong>Mass range:</strong> 1–200 amu</li></ul>

Thermo Scientific Orbitrap Exploris GC S Mass Spectrometer

Orbitrap Exploris GC S delivers high-resolution GC-MS analysis of dioxins, pesticides, and POPs with accurate mass, exceptional sensitivity, and automated workflows for routine and regulatory laboratories.

<p><strong>The Thermo Scientific Orbitrap Exploris GC S is a next-generation high-resolution GC-MS system designed for the analysis of dioxins, pesticides, persistent organic pollutants (POPs), and other trace contaminants. Combining Orbitrap high-resolution accurate mass (HRAM) technology with streamlined workflows, the system enables quantitative analysis, screening, and confirmation within a single acquisition while delivering exceptional sensitivity, selectivity, and robustness.</strong></p><h4><span><strong>Key Features</strong></span></h4><ul><li>Orbitrap HRAM technology for high-resolution accurate mass measurements</li><li>Full-scan data acquisition for quantitation, screening, and confirmation</li><li>Reliable low-level detection in complex environmental and food matrices</li><li>Enhanced selectivity through accurate mass and isotope pattern recognition</li><li>Mass resolving power up to 60,000 FWHM at m/z 200</li><li>Regulatory-ready identification of dioxins, pesticides, and POPs</li><li>Expanded analytical scope without system reconfiguration</li><li>Supports method consolidation across multiple compound classes</li><li>Reduced matrix interferences and false positive results</li><li>Fast deployment and simplified system operation</li><li>Automated workflows through Chromeleon™ CDS software</li><li>Standardized procedures that reduce reliance on expert operators</li><li>Compact footprint suitable for modern analytical laboratories</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Orbitrap_Exploris_GC_S_Mass_Spectrometer_4_94149e8563.jpg" alt="Thermo Scientific: Orbitrap Exploris GC S Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Orbitrap_Exploris_GC_S_Mass_Spectrometer_4_94149e8563.jpg 156w," sizes="100vw" width="650" height="650"></p><h4><span><strong>Advanced Identification Capabilities</strong></span></h4><ul><li>Accurate mass measurements</li><li>Isotope pattern matching</li><li>Retention index confirmation</li><li>Confirmation ions</li><li>Multi-point compound identification in a single analysis</li></ul><h4><span><strong>Typical Applications</strong></span></h4><ul><li>Dioxin analysis</li><li>PCB and brominated flame retardant testing</li><li>Persistent Organic Pollutants (POPs)</li><li>Pesticide residue analysis</li><li>Environmental monitoring</li><li>Food and feed safety testing</li><li>Industrial contaminant analysis</li><li>Non-targeted screening workflows</li><li>Regulatory and forensic laboratories</li></ul><h4><span><strong>Technical Specifications</strong></span></h4><ul><li><strong>Mass Analyzer: </strong>Orbitrap HRAM</li><li><strong>Mass Range: </strong>30–3000 m/z</li><li><strong>Resolving Power: </strong>Up to 60,000 FWHM at m/z 200</li><li><strong>Scan Speed: </strong>Up to 40 Hz at resolution setting 7,500 (m/z 200)</li><li><strong>Mass Accuracy</strong><ul><li>External calibration: &lt;3 ppm RMS drift over 24 hours</li><li>Internal lock-mass calibration: &lt;1 ppm RMS drift over 24 hours</li></ul></li><li><strong>Acquisition Mode: </strong>Full-scan HRAM acquisition</li><li><strong>Software</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/76"><strong>Chromeleon™ Chromatography Data System (CDS)</strong></a></li><li>Dioxin HRAM eWorkflow</li><li>Automated data processing and reporting</li></ul></li></ul><h4><span><strong>Laboratory Benefits</strong></span></h4><ul><li>Single platform for targeted and non-targeted analysis</li><li>Retrospective data mining capabilities</li><li>Lower method development and validation costs</li><li>Higher productivity through workflow automation</li><li>Future-proof analytical capability without additional hardware</li><li>Ready for evolving regulatory requirements and emerging contaminants</li></ul>

Wiley NIST/EPA/NIH EI Mass Spectral Library 2026

The NIST / EPA / NIH EI Mass Spectral Library 2026 from Wiley provides over 431,000 EI spectra, an expanded GC Retention Index Library, and updated NIST MS Search software with integrated chromatogram analysis for confident GC-MS compound identification.

<p><strong>The NIST / EPA / NIH EI Mass Spectral Library 2026, developed by the National Institute of Standards and Technology (NIST), is one of the world's most trusted mass spectral libraries for GC-MS compound identification. Built on more than four decades of development, the 2026 release contains over 431,000 critically evaluated EI spectra representing more than 376,000 unique compounds, supporting reliable identification across environmental, forensic, pharmaceutical, food, and industrial applications.</strong></p><p>The library includes the <strong>Electron Ionization (EI) Mass Spectral Library</strong>, <strong>GC Retention Index (RI) Library</strong>, and the <strong>NIST 2026 software suite</strong> featuring <strong>MS Search, AMDIS, and MS Interpreter</strong>. New in this release is integrated <strong>GC-MS chromatogram analysis</strong>, streamlining data processing and library searching within a single workflow.</p><p>The updated <strong>GC Retention Index Library</strong> now contains <strong>more than 527,900 RI values</strong>, while the EI library has been expanded with <strong>over 35,000 new compounds</strong>, focusing on biologically, environmentally, and industrially relevant analytes.</p><p>Available from Wiley in <strong>native formats for most major GC-MS instrument vendors</strong>, NIST 2026 is compatible with current and legacy mass spectrometry data systems and can also be supplied in bundles with <strong>KnowItAll</strong> software.</p>

GCMS/LCMS screening for contamination

GCMS/LCMS screening for identification of contaminants in samples, with the analytical method selected according to sample type.

<p><strong>The GCMS/LCMS Screening for Contamination is a standalone laboratory service designed to identify potential contaminants in a sample using either gas chromatography–mass spectrometry (GCMS) or liquid chromatography–mass spectrometry (LCMS).</strong></p><p>The appropriate analytical method depends on the sample type. GCMS is used primarily for volatile and semi-volatile compounds, while LCMS is suitable for peptide-related contamination.</p><h4><strong>About the Screening</strong></h4><ul><li><strong>GCMS screening</strong> uses the <strong>NIST 2014 </strong>mass spectral library to identify a broad range of potentially <span style="font-weight:400;">harmful substances in the product</span>. Detection is limited to volatile and semi-volatile compounds and this method is not suitable for peptide samples.<br>&nbsp;</li><li><strong>LCMS screening</strong> is intended for peptide products and can detect contamination with other peptides or degraded peptide. Detection is limited to peptides included in the laboratory’s available reference list.</li></ul><p>Both methods provide identification of detected contaminants only. Quantitative determination of a detected substance can be offered separately.</p><h4><strong>Key Features</strong></h4><ul><li>Standalone contamination screening by GCMS or LCMS</li><li>Analytical method selected according to sample type</li><li>GCMS screening for volatile and semi-volatile contaminants</li><li>GCMS identification using the NIST 2014 mass spectral library</li><li>LCMS screening for peptide contamination and degraded peptide</li><li>Identification of detected contaminants</li><li>Quantitative determination available separately after identification</li><li>Suitable for tablets, capsules, liquid solutions, raw materials, and vials depending on the selected method</li><li>Average turnaround time of 7 business days</li></ul><h4><strong>Analysis Parameters</strong></h4><ul><li><strong>Testing method: </strong>GCMS or LCMS</li><li><strong>Amount of sample required: </strong>1 tablet/capsule, 1 ml solution, 200 mg raw material, or 1 vial</li><li><strong>Average turnaround time: </strong>7 business days</li></ul><blockquote><p><strong>Important Notice</strong></p><ul><li>The analytical method is selected according to the type of sample and the expected contaminants.</li><li>GCMS detection is limited to volatile and semi-volatile compounds and cannot be used for peptide samples.</li><li>LCMS detection is limited to peptides included in the laboratory’s available reference list.</li><li>Both GCMS and LCMS screening provide identification only. Quantitative determination of a detected contaminant is not included in the standard analysis and can be offered separately.</li></ul></blockquote><h4><strong>Optional Additional Analyses</strong></h4><p>The following optional laboratory services are available:</p><ul><li>Additional Laboratory Report</li></ul>

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