EU Regulation 396/2005: Pesticide Residue Testing and the Critical Role of QuEChERS Evaporation in Food Safety

Our Library never stops expanding. What are the most recent contributions to LabRulezGCMS Library in the week of 4th May 2026? Check out new documents from the field of the gas phase, especially GC and GC/MS techniques!<blockquote>👉 <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library">SEARCH THE LARGEST REPOSITORY OF DOCUMENTS ABOUT GCMS AND RELATED TECHNIQUES</a></blockquote><blockquote>👉 Need info about different analytical techniques? Peek into <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library">LabRulezLCMS</a> or <a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/library">LabRulezICPMS</a> libraries.</blockquote>This week we bring you application note by Shimadzu, presentation by MDCW / JEOL and technical note by Thermo Fisher Scientific!<h3>1. MDCW / JEOL: Flow-Modulated GCxGC-QMS Analysis Without Splitting Off the GC Flow</h3><ul><li>Presentation</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/O_16_Jensen_11e29d5022.pdf">Full PDF for download</a></li></ul><section><div><div><div><div><div><div>This presentation by Kirk Jensen (JEOL USA) explores the feasibility of performing flow-modulated comprehensive two-dimensional gas chromatography (GC×GC) coupled with quadrupole mass spectrometry (QMS) without splitting the GC flow, which is traditionally required to protect MS systems from high carrier gas flows. The core concept builds on GC×GC, where compounds are separated using a primary and secondary column connected via a modulator, significantly increasing separation power compared to one-dimensional GC. The presentation contrasts thermal modulation (offering sharper peaks and higher theoretical sensitivity but requiring cryogenic cooling) with flow modulation, which avoids cryogens, handles volatile analytes well, and is more flexible, but typically demands higher gas flows that standard MS systems cannot tolerate .To address this limitation, the study utilizes the <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?manufacturerItems=24&amp;search=JMS-Q1600GC">JEOL JMS-Q1600GC</a> UltraQuad quadrupole GC-MS system, which can accept unusually high carrier gas flows (up to ~20 mL/min), enabling direct coupling with a SepSolve INSIGHT flow modulator without splitting the effluent . The analytical setup includes dual GC columns (e.g., Zebron ZB-5MSplus for the first dimension and BPX50 for the second), high secondary flow rates (~25 mL/min), and electron ionization (EI) MS detection. Additional system components include optional FID detection, bleed line control, and ChromeSpace software for data processing . This configuration allows full analyte transfer into the MS, eliminating the need for flow splitting and potentially improving detection efficiency.Experimental results demonstrate the applicability of this approach to complex mixtures, including a pesticide mixture containing over 200 compounds and real-world samples such as perfumes and fuels. The GC×GC-MS system produced detailed two-dimensional chromatograms with high spectral quality, enabling the correct identification of approximately 120 compounds despite relatively moderate spectral match factors . Comparisons at different flow rates (e.g., 25 vs. 50 mL/min) showed that spectral integrity and compound identification remain robust, indicating that higher flow operation does not significantly compromise MS performance.In conclusion, the work demonstrates that flow-modulated GC×GC-QMS without flow splitting is feasible, provided that the MS system can tolerate high carrier gas flows. While further optimization is needed (e.g., column selection, inlet pressure, and separation conditions), the approach offers a practical alternative to thermal modulation by eliminating cryogens and simplifying operation. Future work will focus on improving sensitivity, optimizing separations, and exploring alternative carrier gases such as hydrogen to reduce costs and expand applicability</div></div></div></div></div></div></section><h3>2. Shimadzu: Detailed Hydrocarbon Analysis by Nexis GC-2030 Using ASTM D6730</h3><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/an_01_00863_en_eb633bc741.pdf">Full PDF for download</a></li></ul><h5>User Benefits</h5><ul><li>Detailed compositional analysis of gasoline in accordance with ASTM D6730 is feasible using the Nexis GC-2030.&nbsp;</li><li>By employing PONAsolution, a PONA/DHA analysis software, laborious identification tasks can be reduced, and quantitation calculations and report generation can be performed automatically.</li></ul>ASTM D6730 specifies the analysis of hydrocarbons in gasoline and oxygenates such as ethanol, methyl tert-butyl ether (MTBE), and ethyl tert-butyl ether (ETBE) over a boiling point range up to 225 ̊C. Identification and quantification of individual compounds in gasoline are critically important for refinery process control and product quality assurance. In this application news, we report compositional analysis of gasoline conforming to ASTM D6730 using the <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library?mainauthorItems=1&amp;search=Nexis+GC-2030">Nexis GC-2030 gas chromatograph</a>. Gasoline typically comprises over 100 hydrocarbons, making identification tasks highly complex; however, PONAsolution, a PONA/DHA analysissoftware,simplifies this process.<h4>PONAsolution</h4>PONAsolution Ver.6 provides retention index libraries for each relevant standard (ASTM D6730, D6729, D5134, D6733). Identification of n-alkanes automatically corrects the retention times of the remaining several hundred components, thus streamlining the identification process. When only a specific retention region requires adjustment, the two-point identification function is useful (Fig. 1). In the two-point identification procedure, reference and sample chromatograms are compared while assigning corresponding peaks. First, click on an identified component mark in the reference data (Fig. 1, a), then click the matching sample peak (Fig. 1, b). Repeat this for a second pair of peaks. The retention times of components between these two anchor points are then automatically corrected.<h4>Conclusion</h4>Compositional analysis of gasoline in accordance with ASTM D6730 was performed. The combination of SH PONA Tuning Column and SH-1 PONA main column enabled separation of compounds with closely spaced retention times. Moreover, use of PONAsolution software greatly simplifies complex identification tasks.<h3>3. Thermo Fisher Scientific: Fiber optic probes add flexibility to Raman chemical analysis</h3><ul><li>Technical note</li><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/drx3_flex_tech_note_tn54708_bebb56b870.pdf">Full PDF for download</a></li></ul>Fourier Transform Infrared Spectroscopy (FTIR) and Raman Spectroscopy are non-destructive analytical techniques that rely on the interaction of electromagnetic radiation with molecular vibrations to provide information about the chemical composition and structure of a sample. Despite their similarities, there are some distinct differences between the two techniques. In principle, FTIR is based on the absorption of infrared radiation by molecules and measures changes in dipole moment during molecular vibrations. Raman spectroscopy, on the other hand, is based on the inelastic scattering of monochromatic light and measures changes in polarizability during molecular vibrations.&nbsp;When applied to bulk chemical analysis, both FTIR and Raman spectroscopy can be used to analyze solids, liquids, and gases, but the nature of Raman spectroscopy lends some unique sampling advantages. Additionally, Raman often requires little to no sample preparation. Presented herein are application examples that highlight some of the sampling advantages of Raman spectroscopy. All the spectral data in this technical note were collected using a <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/products/2238">Thermo Scientific™ DXR3 Flex Raman Spectrometer</a> equipped with a fiber optic probe. (Fiber optics are readily available for Raman spectroscopy because of the use of visible and NIR light and do not require the exotic materials associated with FTIR fiber optics.) Preliminary tests for all samples were carried out using both 532 nm and 785 nm excitations, and it was determined that the 785 nm laser set gave an overall better balance between fluorescence and Raman scattering efficiency.<h4>Summary&nbsp;</h4>In this technical note, the analyses of a variety of samples by Raman spectroscopy are demonstrated. All samples were analyzed without sample preparation.&nbsp;<ul><li>Precise and localized analysis at the focal point of the Raman-exciting laser allows sampling through glass bottles, blister packaging and plastic containers, which eliminates possible cross contamination and analyst exposure to hazardous materials. The contributions from the packaging and containers depend on the type of container material, the container thickness, and the materials’ chemical compositional complexity, but these contributions can be readily subtracted out when needed.&nbsp;</li><li>Water is a weak Raman scatterer. Raman therefore has reduced water sensitivity, making it a preferred technique for aqueous solution analysis over FTIR. As demonstrated in the analysis of an energy drink, the Raman bands from water can be subtracted from the spectrum of the aqueous solution, leading to the identification of the components of the solution.&nbsp;</li><li>Raman spectroscopy is well suited for the analysis of inorganic materials, especially in identifying the crystal phases and polymorphs, as demonstrated by the analyses of minerals and pigments in a painting.&nbsp;</li><li>Fiber optic probes provide flexibility and ease of maneuverability. This is particularly advantageous when analyzing samples that are difficult to access or manipulate, such as large containers, geological samples and paintings</li></ul>The DXR3 Flex has multiple sampling options available. A properly configured fiber-optic probe is arguably the most versatile accessory for the analysis of bulk solids and liquids. The advantages, both from those inherent to Raman spectroscopy and those resulting from the use of fiber optic probe, provide opportunities for a wide variety of different applications when using the DXR3 Flex Raman Spectrometer.

News from LabRulezGCMS Library - Week 19, 2026

🎤Francis Femi OloyIn this episode of Concentrating on Chromatography, David speaks with Francis Femi Oloy about using chromatography to uncover hidden pollutants in real-world water systems.Femi’s team analyzed polychlorinated biphenyls (PCBs) in six major rivers in southwestern Nigeria — compounds that were banned decades ago but still persist in the environment. Using a workflow that many analytical labs will recognize — liquid–liquid extraction, cleanup, rotary evaporation, nitrogen blowdown, and GC-ECD detection — they quantified 25 PCB congeners at trace levels and linked the results to ecological and human health risk.<h4>In this conversation, we cover:</h4><ul><li>Why legacy pollutants like PCBs still show up today</li><li>Choosing GC-ECD vs LC-MS for halogenated compounds</li><li>Liquid–liquid extraction and matrix cleanup strategies</li><li>Why sample concentration is critical for dilute environmental samples</li><li>How rotovap + nitrogen blowdown work together without losing volatile analytes</li><li>Seasonal trends (why wet season levels were higher)</li><li>Translating concentration data into meaningful risk assessments</li></ul><h3>Video Transcription</h3><section><div><div><div><div><div><div>Persistent organic pollutants such as polychlorinated biphenyls (PCBs) remain a significant environmental concern despite decades of regulatory restrictions. In this interview, Francais Femi Oloy discusses the environmental and analytical challenges associated with monitoring PCB contamination in rivers of southwestern Nigeria, a rapidly industrializing region where urban growth, industrial activity, agriculture, and dense populations intersect with extensive aquatic systems.Oloy explains that his interest in environmental contaminant analysis emerged from observing unexplained health problems and environmental degradation while growing up in Nigeria. This motivated his transition into organic and environmental chemistry, with a focus on identifying pollutants present in drinking water, agricultural soils, and food systems. Southwestern Nigeria, particularly the Lagos region, represents a critical environmental monitoring area due to intense industrial development, shipping activity, and widespread human dependence on rivers for domestic use, agriculture, and fishing.Although PCBs are considered “legacy pollutants” and are no longer intentionally produced, the interview highlights why they continue to persist in aquatic environments. Old electrical transformers and aging industrial equipment still contain PCB residues, while historical contamination stored in river sediments can become remobilized during flooding, dredging, or sediment disturbance. Because PCBs are hydrophobic and resistant to degradation, they preferentially accumulate in sediments and bioaccumulate through aquatic food chains, creating long-term environmental and human exposure risks.A major focus of the discussion centers on the analytical workflow used for PCB determination in environmental water samples. Composite river water samples were collected in amber glass bottles to avoid contamination and photodegradation, preserved with sodium azide to minimize microbial activity, and stored under cooled conditions prior to extraction. The analytical protocol employed liquid–liquid extraction using dichloromethane (DCM) and hexane to recover both polar and nonpolar PCB congeners. Oloy emphasizes that liquid–liquid extraction was selected over solid-phase extraction (SPE) because of concerns about congener retention within sorbent materials and clogging issues associated with large-volume environmental samples.Following extraction, concentration and cleanup represented critical analytical stages due to the trace-level occurrence and volatility of PCBs. Silica and alumina cleanup procedures were used to remove matrix interferences prior to instrumental analysis. The concentration workflow combined rotary evaporation for bulk solvent reduction with nitrogen blowdown for final volume reduction to less than 1 mL, while carefully avoiding excessive temperature or complete dryness to minimize analyte loss. Oloy repeatedly stresses that improper concentration procedures are among the most common causes of analytical failure in PCB analysis.For instrumental determination, the study utilized gas chromatography coupled with electron capture detection (GC-ECD) rather than LC-MS or GC-MS. According to Oloy, GC was preferred because PCBs are sufficiently volatile for gas chromatographic separation, while ECD provided superior sensitivity and selectivity for chlorinated compounds at environmentally relevant concentrations. The interview also discusses analytical validation strategies, including the use of surrogate standards to assess recoveries, which ranged from approximately 85% to 114%, and signal-to-noise-based determination of detection limits.The study further examined seasonal variations in PCB concentrations, revealing higher levels during the wet season. This observation was attributed to rainfall-driven runoff from contaminated infrastructure, sediment resuspension, and lower temperatures that reduce volatilization losses. To communicate toxicological relevance beyond simple concentration reporting, the researchers also calculated toxic equivalency values (TEQs), converting mixtures of PCB congeners into biologically meaningful toxicity estimates comparable to dioxin toxicity metrics.Beyond environmental monitoring, Oloy highlights broader research interests focused on pollutant remediation and sustainable environmental protection. His group is also involved in developing catalytic materials capable of degrading or removing persistent contaminants from environmental systems. Throughout the discussion, he emphasizes that analytical chemistry plays a central role not only in detecting pollutants, but also in enabling prevention, remediation, and long-term environmental management strategies.</div></div></div></div></div></div></section><blockquote>This text has been automatically transcribed from a video presentation using AI technology. It may contain inaccuracies and is not guaranteed to be 100% correct.</blockquote><blockquote><h4>Concentrating on Chromatography Podcast</h4>Dive into the frontiers of chromatography, mass spectrometry, and sample preparation with host David Oliva. Each episode features candid conversations with leading researchers, industry innovators, and passionate scientists who are shaping the future of analytical chemistry. From decoding PFAS detection challenges to exploring the latest in AI-assisted liquid chromatography, this show uncovers practical workflows, sustainability breakthroughs, and the real-world impact of separation science. Whether you’re a chromatographer, lab professional, or researcher you'll discover inspiring content!You can find Concentrating on Chromatography Podcast in podcast apps:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL">Spotify</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185">Apple podcast</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography">podscan</a></li></ul>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos">YouTube channel</a></blockquote>

Tracking Toxic PCBs in River Water using Gas Chromatography–Electron Capture Detection

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Whether it be eating healthier or exercising more, we all set goals for the New Year. But are you also resolving to get better resolution this year with your GC columns?
Are you experiencing peak co-elution or would you simply like to obtain more resolution between your peaks?
Join us as we discuss methods and strategies for getting better resolution as your New Year&#39;s resolution.
<blockquote>
Presenter: Alex Ucci (Application Engineer, Agilent Technologies, Inc.)
</blockquote>
<blockquote>
In his current position at Agilent, Alex provides application assistance and technical support for sample preparation products as well as GC and LC consumables. Before he joined Agilent in 2014, Alex was a graduate student at the Pennsylvania State University researching the morphology and surface properties of aerosol particles using a wide variety of analytical techniques. He has an MS degree in chemistry.
</blockquote>

Agilent Technologies: Get Better Resolution for your New Year’s Resolution: GC Separation Troubleshooting

Get Better Resolution for your New Year’s Resolution: GC Separation Troubleshooting

Join us as we discuss methods and strategies for getting better resolution as your New Year's resolution.

Get Better Resolution: GC Separation Troubleshooting

This presentation will cover products from Agilent that make GC connections more robust by utilizing new technologies that makes connections easier, leak free and more inert for any application.
Topics covered include: Self Tightening Stainless Column Nuts and ferrules, Press Fits, UltiMetal Plus and Stainless Steel Capillary Tubing, Ferrule Pre-swaging installation tool and MS interface installation tool, among others.
<blockquote>
Presenter: Mark Sinnott (Application Engineer, Agilent Technologies, Inc.)
</blockquote>
<blockquote>
Mark Sinnott works for Agilent Technologies as a Technical Support Engineer in the Consumables and Supplies Division (CSD) at the capillary column manufacturing facility (the “J&amp;W Scientific” location). In his position at Agilent, Mark performs technical support and applications assistance to gas chromatographers worldwide. He has more than 22 years of experience in gas chromatography, including environmental analysis of compounds in air, soil and water matrices, including dissolved gas analysis for the electrical industry. Mark holds a Master’s Degree in Chemistry from California State University, Sacramento, and currently resides in Sacramento.
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Agilent Technologies: Making Better Connections in GC and GC/MS Systems

Making Better Connections in GC and GC/MS Systems

This presentation will cover products from Agilent that make GC connections more robust by utilizing new technologies.

The characterization of fatty acids is one of the major applications of gas chromatography in edible vegetable oils, like palm oil, canola oil, etc. In general, GC can be applied to the analysis of intact lipids, such as triacylglycerols, or the analysis of the fatty acid composition based on fatty acid methyl ester (FAME) profiling.
A broad range of columns and stationary phases are available for vegetable oil analysis.
In this webinar, some of our new GC column technology for the fast analysis of these FAMEs is presented, and the GC column selection is discussed. Based on the complexity of the samples, different column technologies can be applied, and a trade-off can be made between sample throughput and resolution. We will also show the difference in analysis time and separation when switching from Helium to alternative carrier gases, like Nitrogen.
<blockquote>
Presenter: Gustavo Serrano (Global Product Manager – GC Columns, Agilent Technologies USA)
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<blockquote>
Gustavo Serrano is the GC Columns Product Manager at Agilent Technologies in Wilmington, Delaware, USA. Gustavohas a broad background in GC technologies, including experience as an R&amp;D scientist and Product Manager at Sigma-Aldrich/Supelco, where he worked on the development and commercialization of novel GC stationary phases. He has also published extensively in the fields of portable micro GC systems, GC columns and micro thermal modulators for GC×GC applications. Gustavo holds a PhD in Environmental Health Sciences from the University of Michigan, and an MBA from the University of Indiana – Bloomington.
</blockquote>

Agilent Technologies: Advances in FAME Analysis by GC/FID with different carrier gases

Advances in FAME Analysis by GC/FID with different carrier gases

In this webinar, some of our new GC column technology for the fast analysis of these FAMEs is presented, and the GC column selection is discussed.

FAME Analysis by GC/FID with different carrier gases

In this gas chromatography experts session in February, we have the focus on injection. This is the most error prone step of the GC analysis and can effect resutls significantly.
There are several injection options, and each holds its own pitfalls: Split/splitless, temperature programmable, on-column, headspace, solid phase micro extraction, thermal desorption, purge and trap, just to name the most common injection techniques. 
In this webinar, our GC&amp;GC-MS experts Petra Gerhards, Timm Sperling and Dr. Thomas Stegemann (together, the three have almost 80 years of experience in this area) will answer all your questions regarding injection.
Ideally, please send us your questions in advance. You can do that during registration or anytime via email to (analyze.eu@thermofisher.com). That allows us to group incoming questions under certain aspects. 
Also during the live session, you can submit your questions with the Q&amp;A chat function. We will answer all questions. In case we are running out of time during the live webinar, we will reach out to you afterwards.
That&#39;s what you can expect:
<ul>
<li>Answers to your specific questions related to GC injection technologies</li>
<li>Tips and tricks that help to improve your analysis</li>
<li>Increase your GC and GC-MS knowledge</li>
<li>News in GC and GC-MS technology</li>
<li>Troubleshooting tips for your GC analysis</li>
</ul>
Who should participate?
<ul>
<li>Everybody who is interested in gas chromatography, specifically in injection techniques</li>
</ul>
<blockquote>
Presenter: Petra Gerhards (Regional Marketing Manager EMEA GC&amp;GC-MS, Thermo Fisher Scientific)
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<blockquote>
Presenter: Dr. Thomas Stegemann (Senior Application Specialist GC/GC-MS, Thermo Fisher Scientific)
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Presenter: Timm Sperling (Chromatography Expert &amp; Technical Sales Specialist, Thermo Fisher Scientific)
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Thermo Scientific: Ask-the-Experts session about injection technologies in GC and GC-MS

Ask-the-Experts session about injection technologies in GC and GC-MS

We have the focus on injection. This is the most error prone step of the GC analysis and can effect  resutls significantly.

Injection technologies in GC and GC-MS

During this webinar, an expert panel will discuss the historical events that have resulted in the consolidation of the use of helium as the GC carrier gas of choice, and how those events may no longer apply to modern instrumentation. 
The panelists will discuss the benefits of migration to alternative carrier gases, including hydrogen and, more importantly, nitrogen, so that GC and GC-MS laboratories can eliminate their reliance on helium. Due to the cost of helium and increasing supply limitations, this topic is especially relevant, as some have estimated that helium may no longer be available for use in the chromatographic market within a relatively short space of time.
<h5>Key learning objectives</h5>
<ul>
<li>Learn about how the consolidation to helium as the GC carrier gas of choice has come about</li>
<li>Understand why helium reliance may cause a significant impact on the analytical testing market</li>
<li>Discover how GC-MS methodologies can be adapted to use nitrogen as a carrier gas, without sacrificing analytical performance</li>
<li>Understand why hydrogen may not be the best alternative to helium, in terms of GC carrier gas</li>
</ul>
<h5>Who should attend?</h5>
<ul>
<li>Laboratory analysts</li>
<li>Laboratory managers</li>
<li>Laboratory directors</li>
</ul>
<blockquote>
Presenter: Frank Dorman (Dartmouth College and Waters Corp)
</blockquote>
<blockquote>
Frank Dorman is currently Senior Business Development Manager at Waters, focusing on their global environmental business, and, concurrently, a resident scholar in the Chemistry Department at Dartmouth College in Hanover, NH. In his role at Waters, Dorman manages the research-focused environmental market, external collaborations, and interfaces with R&amp;D for new product development. Prior to this, he was an associate professor in the Department of Biochemistry and Molecular Biology (BMB) at Penn State University in University Park, PA. Dorman’s scientific interests are in gas and liquid chromatography and fundamental characterization, instrumentation and column development, and mass spectrometry and atomic spectroscopy applied to trace analysis in complex sample matrices.
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Presenter: Jaap de Zeeuw (CreaVisions)
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Located in The Netherlands, de Zeeuw has 42 years of experience in GC capillary technology, working for Chrompack, Varian and Restek. He has developed many PLOT columns and the first bonded WAX column. He has published more than 100 articles in the field of GC, related to column technology and applications. He is the originator for applying a new GC technique for fast GC-MS using a high vacuum inside the capillary column, for which several patents were granted. de Zeeuw retired from Restek in 2022 and started a new company called CreaVisions. CreaVisions offers GC-consultation and GC masterclasses, as well as a class for creative problem solutions, which helps participants to learn how to think outside the box to generate unique ideas.
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Presenter: Chris English (Restek Corporation)
</blockquote>
<blockquote>
Chris English has managed a team of chemists in Restek’s Innovations Laboratory since 2004. Before this, he spent seven years as an environmental applications chemist and was critical to the development of Restek’s current line of volatile GC columns. Prior to joining Restek, he operated a variety of gas chromatographic systems, conducting method development and sample analysis for a global laboratory testing network. Chris holds a B.S. in Environmental Science from Saint Michael’s College, USA.
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<blockquote>
Presenter: Georgina Wynne Hughes (Editorial Team)
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Georgina studied at Birmingham University where she gained a BSc in Biomedical Science, and an MSc by Research in Cancer and Genomic Sciences, which focused on defective autophagy in rare neurodegenerative diseases. As a member of the Editorial team, she now plays an integral role in shaping the content on SelectScience.
</blockquote>

SelectScience: Using nitrogen as a GC-MS carrier gas: Opportunities to eliminate reliance on helium

Using nitrogen as a GC-MS carrier gas: Opportunities to eliminate reliance on helium

The benefits of migration to alternative carrier gases, including hydrogen and, more importantly, nitrogen.

Using nitrogen as a GC-MS carrier gas

High-throughput laboratories face constant pressure to analyze more samples, even as resources shrink, and analytical challenges grow. New developments in intelligence and performance raise the gold standard in GC/MS to handle the complexity and demands of routine testing.
Recent challenges due to helium shortage can put your lab in a risky situation.
Hydrogen has some attractive benefits, such as increased speed and lower-temperature separations, but has traditionally been viewed as having performance drawbacks.
In this webinar series, we will focus on new technology advancements and best practices in GC/MS that reduce downtime and enhance lab productivity and performance. We will also present the new Agilent HydroInert source, designed to help minimize sensitivity loss and spectral anomalies associated with hydrogen gas.
<blockquote>
Presenter: Bryan White (Agilent Technologies)
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Agilent Technologies: Tackling Helium Shortages with New and Novel Solutions

Strategies to Mitigate Rising Helium Gas Costs and Availability

We will focus on new technology advancements and best practices in GC/MS that reduce downtime and enhance lab productivity and performance.

Mitigate Rising Helium Gas Costs and Availability

Did you ever wonder:
<ul>
<li>How much aspirin is in that aspirin tablet?</li>
<li>How much caffeine is in your favorite soft drink?</li>
<li>How much ethanol is in your whisky? Beer? Cantaloupe?</li>
</ul>
Not only are you about to find out the answer to those questions…but you will learn how to answer those questions for yourself!
In each 1—hour labinar, we will analyze an actual sample from beginning to end. And just like in real life, this will involve sample prep, setting chromatographic parameters, calibration, sample analysis and report generation … and it’s a lot easier than you think.
Show up and I will prove it to you!

Axion Labs and Training Institute: Live Sample Analysis from raw material to final report

Analyze This! Live Sample Analysis from raw material to final report

Join us for our 2023 live-labinar series where we will analyze real samples by HPLC and GC.

Live Sample Analysis from raw material to final report

Plastic waste entering the environment is undesired, and many initiatives are working towards a plastics circular economy. Once disposed of, ideally, plastic waste should be either re-used or recycled in order to avoid incineration or disposal in landfills. Mechanical recycling and depolymerization processes manage to capture only a small percentage of plastics. However, the bulk of mixed plastics that we use defy both mechanical recycling and depolymerization. For these mixed plastics, pyrolysis is the industry’s only currently viable tool for recovering raw materials and making new polymers.
Pyrolysis process uses high temperatures in the absence of oxygen to break down plastics into a mixture of smaller molecules known as pyrolysis oil. The output from pyrolysis has a different composition than traditional fossil-based hydrocarbon streams, and therefore, must be evaluated to correctly process as feedstock. 
In this webinar, we will talk about how GC-VUV can be used for an accurate PIONA-type quantification of pyrolysis oils from plastic waste.
Tune into this webinar to find out how GC-VUV can be used for an accurate PIONA-type quantification of pyrolysis oils from plastic waste. 
<blockquote>
Presenter: Sean Jameson (SVP of Business Development, VUV Analytics, Inc.
</blockquote>
<blockquote>
Presenter: Raj Makhamale (Manager - Sales and Marketing Department, Shimadzu Middle East &amp; Africa FZE)
</blockquote>

Shimadzu: Analysis of Pyrolysis Oils From Mixed Waste Plastic By GC-VUV

Analysis of Pyrolysis Oils From Mixed Waste Plastic By GC-VUV

In this webinar, we will talk about how GC-VUV can be used for an accurate PIONA-type quantification of pyrolysis oils from plastic waste.

Pyrolysis Oils From Mixed Waste Plastic By GC-VUV

In today’s fast paced laboratory environment two factors can have a big impact on how productive a lab is: speed of application and efficient use of gases. While helium is a great carrier gas for gas chromatography, issues with availability or cost can cause a lab to look at other possibilities that may be available from gas generators, such as hydrogen.
This webinar will discuss how to properly transition your method from helium to hydrogen carrier gas, along with consumables that you may want to consider changing as well, such as using a HydroInert source or switching to smaller diameter columns. We will also talk about underutilized available ways to make your gas last, such as using Gas Saver. And finally, we will go over tips and tricks on how to speed up your overall analysis method, to help ensure high sample throughput and maintain data integrity.
By attending this webinar you will:
<ul>
<li>Learn how to speed up your GC (MS) method</li>
<li>Learn how to translate GC (MS) methods from helium carrier gas to hydrogen</li>
<li>Gain a better understanding of strategies and recommended columns and supplies that can be implemented to speed up your GC(MS) method and what is necessary to translate a method to a different carrier gas</li>
</ul>
Who should attend:
Laboratory technicians, researchers, and scientists wishing to learn more about how to keep their GC(MS) system clean.
<blockquote>
Presenter: Vanessa Abercrombie (Gas Chromatography Applications Chemist, Agilent Technologies)
</blockquote>
<blockquote>
Vanessa is GC Applications Chemist at Agilent Technologies in Folsom, California, USA. Vanessa has a broad background in GC and GC/MS, including experience as an instrument chemist at Bode Technology in Virginia working under contract to the FBI’s Laboratory Division. Prior to that, Vanessa worked for ETS Labs in St. Helena, CA as an Analytical Chemist where she researched and developed quantitative separations by GC/MS and UHPLC for beer, wine and spirits. She holds a Masters of Forensic Science from The George Washington University and a Bachelor of Arts in Chemistry from Sonoma State University.
</blockquote>
<blockquote>
Presenter: Samuel Haddad (Application Development Chemist, Agilent Technologies)
</blockquote>
<blockquote>
Samuel Haddad is a GC Application Development Chemist at Agilent Technologies in Wilmington, Delaware. Samuel specializes in GC and GCMS applications of trace analysis in environmental and heavy matrix samples. His specialty includes sample preparation techniques to separate analytes from matrix components and extraction from a wide variety of matrix including water, fish, aquatic life, soil, and complex fluids. Samuel holds a Ph.D. in Environmental Science from Baylor University and a B.S in Biology from Southern Illinois University Edwardsville.
</blockquote>

Pixabay/PublicDomainPictures: How to Go Fast and Make your Carrier Gas Last

How to Go Fast and Make your Carrier Gas Last

We will discuss how to properly transition your method from helium to hydrogen carrier gas, along with consumables that you may want to consider changing.

This is the first of a series of webinars on fundamental concepts in gas chromatography.
This first session will cover:
<ul>
<li>Principles of gas chromatography
</li>
<li>Uses of gas chromatography
</li>
<li>Hardware overview
</li>
<li>Carrier gases
</li>
</ul>
This series is perfect for anyone currently using GC, who&#39;d like to understand more about the technique, the hardware and the data produced. It&#39;s also suitable for anyone who is new to GC and who&#39;d like to understand more about it.
<blockquote>
Presenter: Andrew Clissold (GC/GC-MS Business Manager, Shimadzu UK Limited)
</blockquote>

Shimadzu: Introduction to Gas Chromatography - Hardware Overview & Carrier Gases

Introduction to Gas Chromatography - Hardware Overview & Carrier Gases

Principles of gas chromatography. Uses of gas chromatography. Hardware overview. Carrier gases.

GCMS webinars focusing on GC - page 18