<p><strong>In many laboratories, researchers rely on </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1759"><strong>Thermo Scientific Compound Discoverer software </strong></a><strong>for untargeted and small molecule research. It excels at digesting raw data, uncovering unknowns, and identifying compounds with speed, flexibility and confidence. But when it comes to regulated environments, compliance and reporting are critical; that’s where </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Thermo Scientific Chromeleon software</strong></a><strong> comes in.</strong></p><p>&nbsp;</p><p>Historically, moving results between the two meant: numerous manual steps, added time, increased risk of error, and a big gap between discovery research and regulated compliance.</p><p>With <strong>Chromeleon version 7.4 software and Compound Discoverer version 3.5 software </strong>that gap process is more streamlined.</p><h3><strong>How it works</strong></h3><h4><strong>1. Compliant MS data acquisition.</strong></h4><p>Chromeleon software manages all aspects of chromatography and mass spectrometry data acquisition, including:</p><ul><li>Instrument control (for LC, GC, MS, including single quadrupole, triple quadrupole and high-resolution accurate mass)</li><li>Automated sequences and sample preparation</li><li>Compliance-ready audit trails and electronic signatures</li><li>Centralized project and user management</li><li>Secure, traceable data storage ready for downstream processing</li></ul><h4><strong>2. Discovery and identification.</strong></h4><p>Raw data files can be transferred to Compound Discoverer software for advanced discovery and identification using powerful algorithms and a comprehensive suite of spectral libraries (like <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1764"><strong>mzCloud</strong></a>), chemical databases, fragment and neutral loss databases, and in-silico fragmentation prediction.</p><p>When discovery work is complete and finalized, Compound Discoverer software now has the option to export data as a Chromeleon list, giving users the option to export all ion types, base ion with fragments, or base ion with in-source fragments back to Chromeleon software.</p><h4><strong>3. Seamless return to Chromeleon software. &nbsp;</strong></h4><p>Chromeleon 7.4 software introduces an import mechanism that brings Compound Discoverer results directly into the software. Users can import the components within the Chromeleon List directly into the MS Component table of the processing method. This enables you to take the discovery work done in Compound Discoverer software, bring it into Chromeleon software, and generate reports in a fully compliant environment.</p><h3><strong>The benefits</strong></h3><ul><li><strong>Compliance you can trust:</strong> Chromeleon software provides the procedural controls, audit trails, and report generation that regulated labs demand.</li><li><strong>Discovery without compromise:</strong> Researchers can continue to use Compound Discoverer software for flexible data mining and confident compound identification.</li><li><strong>One holistic workflow:</strong> Instead of fragmented manual transfers, labs now have an end-to-end import/export mechanism connecting research and compliance.</li><li><strong>Identity confirmation across platforms:</strong> Evidence of spectra is available in both software, ensuring consistency and confidence in results.</li></ul><h3><strong>From discovery to decision</strong></h3><p>With this new connectivity, you no longer must choose between flexibility for research and rigor for compliance. Instead, you can perform advanced discovery work and seamlessly push results into Chromeleon software to finalize reports, meet procedural compliance, and share data with stakeholders.</p><p>It’s the best of both worlds: <strong>discovery and compliance, integrated.</strong></p><h3><strong>Learn More</strong></h3><p>Have questions or want to learn more? <a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/content/lifetech/global/en/home/industrial/chromatography/chromatography-data-systems-cds/cds-software-built-mass-spectrometry.html">Contact us</a> to learn how this integrated approach can support your analytical goals, or take a look at our <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Chromelon software</strong></a> and <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1759"><strong>Compound Discoverer software</strong></a> storefronts!</p><blockquote><p><strong>Visit us on&nbsp;</strong><a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/showcase/72003132/admin/dashboard/"><strong><u>LinkedIn:</u></strong></a>&nbsp;#Chromeleon #CompoundDiscoverer #Software</p></blockquote>

Connecting Discovery and Compliance: Compound Discoverer Software Meets Chromeleon CDS

<p><strong>Proficiency testing (PT) is applicable to quantitative, qualitative and interpretative assessments, but this leaflet will concentrate on PTs for quantitative tests. Participation in PT is an essential part of the quality assurance in analytical laboratories and provides them with many benefits. In PT the provider evaluates the performance of participants against pre-established criteria defined in the design of the PT scheme.</strong></p><h4><strong>Performance evaluation&nbsp;</strong></h4><p>The majority of PT schemes involve some form of performance score, such as the <i>z</i> or similar scores<sup>1</sup> , and corresponding assessment criteria. An assigned value (<i>x<sub>pt</sub></i>) and a standard deviation for proficiency assessment (<i>s<sub>pt</sub></i>) are determined and used to calculate the performance score of the laboratory result (<i>x<sub>i</sub></i>), e.g. the <i>z</i> score with <i><strong>z = (x<sub>i</sub> - x<sub>pt</sub> ) / s<sub>pt</sub></strong></i></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Eurachem_How_can_proficiency_testing_help_my_laboratory_2_c1bf0b596f.jpg" alt="Eurachem: How can proficiency testing help my laboratory?" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Eurachem_How_can_proficiency_testing_help_my_laboratory_2_c1bf0b596f.jpg 195w," sizes="100vw" width="952" height="761"></p><p>Assessment of <i>z</i> scores is based on the following criteria:&nbsp;</p><ul><li><strong>|</strong><i><strong>z</strong></i><strong>| ≤ 2.0</strong> is regarded as satisfactory;&nbsp;</li><li><strong>2.0 &lt; |</strong><i><strong>z</strong></i><strong>| &lt; 3.0</strong> is regarded as questionable (‘warning signal’);&nbsp;</li><li><strong>|</strong><i><strong>z</strong></i><strong>| ≥ 3.0</strong> is regarded as unsatisfactory (‘action signal’).&nbsp;</li></ul><p>This is based on the concept that normally distributed analytical results lie within <strong>two standard deviations with a probability of ca. 95 %</strong>, and within <strong>three standard deviations with a probability of 99.7 %</strong>.&nbsp;</p><p>PT providers have several options to determine <i>s<sub>pt</sub></i> such as prescribed/perceived desirable analytical performance or the observed distribution of data. The <i>s<sub>pt</sub></i> used by the PT provider may not be appropriate for all laboratories. If justified, the participants may then calculate their own <i>z</i> score using an alternative spt value which is fit for their purpose.&nbsp;</p><h4><strong>Corrective actions</strong></h4><p>Unsatisfactory performance scores (‘<strong>action signal</strong>’) indicate possible problems in the analysis undertaken. The laboratory must investigate this (e.g. by<strong> checking for transcription/calculation errors, trueness and precision</strong>) and, if necessary, address the problems through appropriate corrective actions. Participation in the PT provides very limited benefits to the laboratory, if unsatisfactory performance scores are not acted upon.</p><h4><strong>Evaluation of results over time&nbsp;</strong></h4><p>In addition to internal quality control, regular participation in PT enables laboratories to monitor their performance over time and to identify trends before these become problems. Performance scores obtained from subsequent PT rounds can be plotted in a control chart.&nbsp;</p><h4><strong>Method comparisons&nbsp;</strong></h4><p>Where PT schemes require participants to report details of the method used, the PT report may enable the participant to compare the performance of their method with that of other methods used.&nbsp;</p><h4><strong>Use of PT data to estimate bias&nbsp;</strong></h4><p>The bias of a method should be established using <strong>certified reference materials (CRMs)</strong> or comparison with a <strong>reference method.</strong> However, these may not be available for all matrices, analytes and levels, or CRMs may not be fully representative of the real test samples. Participation in PT provides the opportunity to check the bias taking into account the effects of matrix and concentration variation, provided that a reliable estimate of the “<strong>true value</strong>” is assigned in the PT. Participation in several PT rounds also provides information on the bias variability which can be used as a contribution in the laboratory evaluation of the measurement uncertainty.&nbsp;</p><h4><strong>Use of PT to check measurement uncertainties&nbsp;</strong></h4><p>The ζ (zeta) score can help to check the plausibility of the laboratory’s measurement uncertainty estimate. It is calculated as follows:</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Eurachem_zeta_score_calculation_b70d8b1187.jpg" alt="Eurachem: Zeta score calculation" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Eurachem_zeta_score_calculation_b70d8b1187.jpg 245w," sizes="100vw" width="423" height="188"></p><p>where <i>x<sub>i</sub></i> is the laboratory’s result, <i>x<sub>pt</sub></i> the assigned value, and <i>u(x<sub>i</sub>)</i> and <i>u(x<sub>pt</sub>)</i> are their respective standard uncertainties.&nbsp;</p><p>The assessment criteria for satisfactory, questionable and unsatisfactory results are the same as for the <i>z </i>score. The uncertainty reported by a laboratory for its measurement result is an estimate of the accuracy that the laboratory claims to reach. If <i>ζ</i> scores are outside the acceptable range, this shows that the laboratory is not able to fulfill its own requirements. In other words the measurement uncertainty is underestimated.&nbsp;</p><p>Additionally, the standard measurement uncertainty of a laboratory result can be expected to be lower than the reproducibility observed in the proficiency test. If the measurement uncertainty is much lower the uncertainty estimate should be reviewed.&nbsp;</p><h4><strong>Demonstration of competence&nbsp;</strong></h4><p>Successful participation in <strong>PT (| z | ≤ 2.0)</strong> is often seen as a proof of competence to customers, accreditation bodies and regulatory authorities. PT can also provide a valuable educational element to the laboratory, for example it can indicate the success of staff training or where additional training is required.&nbsp;</p><h4><strong>More information / further reading&nbsp;</strong></h4><p>B. Brookman and I. Mann (eds.) Eurachem Guide: Selection, Use and Interpretation of Proficiency Testing (PT) Schemes (3rd ed. 2021). Information about PT providers and schemes can be obtained from your national accreditation body, from the EPTIS website (www.eptis.org) or from other national or international organisations.</p>

How can proficiency testing help my laboratory?

<p><strong>The 44th International Symposium on Capillary Chromatography (ISCC), the premier meeting for pressure and electrodriven microcolumn separations and related techniques, will be held May 17 – 22, 2026 in the Congress Centre, Riva del Garda, Italy.</strong></p><p>The <strong>21st GCxGC Symposium</strong> will be organized jointly with the ISCC meeting to allow scientists to attend both meetings. The symposium will start with a short course on Sunday May 17 covering the fundamentals and applications of comprehensive GCxGC and with a plenary session on <strong>Monday May 18</strong>. Key-note lectures and posters will be included in the program of the ISCC meeting.</p><h3><strong>KeyDates</strong></h3><ul><li><strong>February 20, 2026: </strong>Abstract deadline for an Oral Presentation to be included in the Book of Abstracts.</li><li><strong>March 15, 2026:</strong> Abstract deadline for a Poster Presentation to be included in the Book of Abstracts.</li><li><strong>April 06, 2026: </strong>Within this date, information will be given on the acceptance of oral and poster presentations.<ul><li><i><strong>Please remember that if you are submitting an abstract for an oral or poster presentation, you must pay the registration fee by April 19, 2026 (with the reduced fee by April 12, 2026). If no payment is made by April 22, 2026, the abstract will not be included in the program and book of abstracts.</strong></i></li></ul></li><li><strong>April 12, 2026:</strong> Deadline for Reduced Registration</li><li><strong>April 22, 2026:</strong> Preliminary Program</li><li><strong>May 17, 2026:</strong> GCxGC and LCxLC Courses</li><li><strong>May 18, 2026:</strong> 21st GCxGC Symposium</li><li><strong>May, 19 2026:</strong> 44th ISCC Symposium</li></ul><h3><strong>Program</strong></h3><h4><strong>Invited Speakers 21st GCxGC</strong></h4><h5><strong>Beyond Resolution: GC×GC as an Enabler of Predictive, Purpose-Driven Analytical Science</strong></h5><ul><li>Chiara Cordero<ul><li>Chiara Cordero (orcid.org/0000-0003-3201-0775) is Full Professor of Food Chemistry at the Department of Drug Science and Technology, University of Turin (Italy). She was Research Fellow at the Deutsche Forschungsanstalt für Lebensmittelchemie (DFA), Technical University of Munich (Germany), and Visiting Professor at the Poznan University of Life Sciences (Poland, 2019 and 2023) and Stellenbosch University (South Africa, 2020).Her research focuses on the development of instrumental platforms based on comprehensive two-dimensional gas chromatography (GC×GC) for food-omics applications (profiling and fingerprinting), data processing tools for GC×GC interpretation, discovery of food quality markers (food metabolomics and volatilomics), and intake markers in biofluids (nutrimetabolomics and volatilomics). She also works on the design of miniaturized, fully automated, solvent-free sample preparation strategies for sensomic food characterization.In 2008, she received the “Leslie S. Ettre Award” for original research in capillary gas chromatography with emphasis on food and environmental safety. In 2014, she was awarded the “John B. Phillips Award” for achievements in GC×GC. In 2016, The Analytical Scientist included her in its “Women Power List” of the 50 most influential women in analytical science. In 2022, she received the Scientific Achievement Award in GC×GC, and in 2024, the “Giovanni Dugo Medal” from the Italian Chemical Society (GISS) for research in food analysis.</li></ul></li></ul><h5><strong>GC×GC-(HR)TOFMS Volatolomics: Advances in Disease Diagnosis</strong></h5><ul><li>Jean-François Focant<ul><li>Jean-François (Jef) Focant is Full Professor at the Chemistry Department at ULiege in Belgium. Expert in multidimensional GC coupled to MS, his team develops and validate analytical methods for the measurement of (semi)volatile molecules present in complex matrices. His Organic and Biological Analytical Chemistry Laboratory is known for its focus on solving real-life analytical challenges to serve the general society. The diversity of applications is very large and covers fields such as forensics, food control, archeology, and much more. Major recent activities include metabolomics (volatolomics, breathomics), especially oriented to biomarker discovery in medical applications. The team also specializes in specific chemometric solutions for feature selections over large data sets from multi-class studies.</li></ul></li></ul><h5><strong>Modulation in GC×GC: a journey over three decades</strong></h5><ul><li>Tadeusz Gorecki<ul><li>Tadeusz Górecki is a professor at the Department of Chemistry, University of Waterloo (ON). He obtained his M.Sc. Engineer (1981) and Ph.D. (1986) degrees from the Gdansk University of Technology, Poland, and the Professor of Chemical Sciences degree (2009) from the President of the Republic of Poland.Prof. Górecki’s main research area is separation science, with a particular focus on comprehensive multidimensional gas and liquid chromatography, as well as sample preparation and environmental analysis. He has authored/co‐authored 28 book chapters, over 180 papers published in peer reviewed journals, over 320 conference contributions (including nearly 100 invited presentations) and 6 patents.He is the recipient of the Waksmundzki Medal awarded by the Committee on Analytical Chemistry of the Polish Academy of Sciences. In 2017 he received the GCxGC Scientific Achievement Award at the 41st International Symposium on Capillary Chromatography &amp; the 14th GCxGC Symposium. His papers have been cited over 10000 times.</li></ul></li></ul><h5><strong>Preliminary feature extraction algorithm for comprehensive two-dimensional gas chromatography</strong></h5><ul><li>Leandro Wang Hantao<ul><li>Professor at the Institute of Chemistry, University of Campinas (UNICAMP). His research interests include sample preparation, comprehensive two-dimensional gas chromatography, mass spectrometry, and chemometrics.</li></ul></li></ul><h5><strong>Labrador vs. laboratory in arson investigations. GC×GC-TOFMS to the rescue</strong></h5><ul><li><a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/articles?search=James+Harynuk"><strong>James Harynuk</strong></a><ul><li>Prof. James Harynuk is currently a Full Professor at the University of Alberta, Canada. His research focuses on developing advanced analytical tools to tackle challenges such as complex samples, faster analysis times, and lower detection limits.He specializes in multidimensional gas-phase separations, including GC×GC, heart-cut GC (GC-GC), and advanced data handling tools. Applications of his work span health research, metabolite profiling, forensic science, petrochemicals, and environmental science.</li></ul></li></ul><h5><strong>GC×GC-HRToFMS for the detection of organohalogen compounds in environmental samples</strong></h5><ul><li>Teruyo Ieda<ul><li>Teruyo Ieda is a senior researcher at the National Institute for Environmental Studies, Japan. Her research focuses on the development of detection methods for organohalogen compounds in environmental samples. Her research interests include comprehensive two-dimensional gas chromatography (GC x GC), high-resolution time-of-flight mass spectrometry (HRToFMS), sample preparation, and thermal desorption methods.</li></ul></li></ul><h5><strong>Using comprehensive GCxGC to improve the sensitivity and temporal resolution in food flavour analysis</strong></h5><ul><li>Hans-Gerd Janssen<ul><li>Prof. Hans-Gerd Janssen obtained his MSc degree in Chemical Engineering (1987, cum laude) and his PhD degree in analytical chemistry in 1991 (Supercritical Fluid Chromatography), both from the Eindhoven University of Technology. After obtaining his PhD degree he joined the Eindhoven University as an assistant professor and became associate professor in 1996. In 1999 he moved to Unilever R&amp;D where he currently is science leader Food Compositional Analysis. From 2004 to 2019 he was part-time professor at the University of Amsterdam at the chair ‘(bio-)macromolecular separations’. In 2019 he moved to Wageningen University where he now holds a part-time professor position in ‘recognition-based analytical chemistry’.Prof. Janssen has published more than 220 papers including four patents and seven book chapters. He is a member of the editorial advisory board of several scientific journals. He has been, or is, a member of the board of the Analytical Chemistry division of the Dutch Chemical Society and the working group Separation Methods. He also is a member of the scientific or organizing committee of several symposia including the Comprehensive GCxGC meetings, the conference series on Capillary Chromatography and the series Recent Advances in Food Analysis. His research interests are broad, ranging from theory development in chromatography to the development of advanced chromatographic systems for food analysis. Prof. Janssen was awarded the 2020 GC×GC scientific achievement award in recognition of his contribution to the field. In 2023 he received the AOCS Herbert Dutton Award for tis contribution to developments in the field of lipid analysis.</li></ul></li></ul><h5><strong>Innovations in GC×GC Modulator Design with 3D Printing, and Selected Novel Applications</strong></h5><ul><li>Philip Marriott<ul><li>Professor Marriott’s research commenced at LaTrobe University (Ph.D.), continued at Bristol (Postdoc) then had academic appointments at the National University of Singapore then in Melbourne at RMIT and Monash University. These latter two appointments accompanied invention of, and developments in cryogenic modulation in GC, leading to primary research in comprehensive two-dimensional GC (GC×GC), multidimensional GC (MDGC), and mass spectrometry.Our research includes device development, fundamental descriptions of GC×GC technology, and supports a broad applications base. As a platform technology, we apply MDGC and GC×GC to a diverse array of separations, including: pesticides; petrochemicals; pharmaceuticals; natural products; toxins; and foods, flavours and beverage analysis such as olfactometry, essential oils, wine, coffee, hop, fatty acids, polyphenols, food safety, herbs and spices etc. He has had visiting appointments in China, South Korea, Singapore, Brazil, and Malaysia.</li></ul></li></ul><h5><strong>LC-GC(×GC) a powerful toolbox in food analysis</strong></h5><ul><li>Giorgia Purcaro<ul><li>Giorgia Purcaro is a full professor of Analytical Chemistry at Gembloux Agro-Bio Tech, University of Liège (Belgium). She has a Ph.D. in Food Science from the University of Udine (Italy). She spent part of her postdoctoral work at the University of Messina (Italy) and at Dartmouth College (USA) before being appointed at Gembloux Agro-Bio Tech (Belgium) in 2018.Her main areas of research are the optimization of hyphenated chromatographic techniques and sustainable sample preparation workflows. The primary areas of application are related to contaminant analysis in food and food quality, with a primary focus on lipids and volatile compounds. Her primary goal is to demonstrate the robustness of hyphenated chromatographic techniques and facilitate their routine application, thereby ensuring more cost-effective, informative, and effective analytical methods.She has significantly contributed to the advancement in the field of MOSH and MOAH analysis in food, by developing an LC-GC×GC-FID/MS and the associated dedicated software in collaboration with LECO, and she is constantly improving the sample preparation method to increase accuracy in the determination.She received the Leslie Ettre Award in 2010 for her most outstanding contribution to capillary chromatography and the J. Phillips Award in 2015 for her contributions to the field of comprehensive two-dimensional GC. She was included in the list “Top40under40”.She has been a co-author of more than 150 papers and more than 300 conference presentations, with an H-index of 35.</li></ul></li></ul><h5><strong>Adapting Tile-based Discovery Analysis for Comprehensive Two-dimensional Gas Chromatography with Vacuum Ultraviolet Spectroscopy (GC×GC-VUV) Data of Gas Oils</strong></h5><ul><li>Robert E. Synovec<ul><li>Robert E. Synovec is a Professor of Chemistry at the University of Washington (UW) in Seattle WA, USA. He obtained his PhD in 1986 from Iowa State University under the direction of Edward S. Yeung, then joined the UW Faculty, also in 1986. At UW, he served as Associate Chair of the Chemistry Graduate Education Program from 2007-2020 and is now Co-Director of the MSACST Program (2022-present). Synovec has graduated 51 PhDs, 7 Thesis Masters, and 12 Non-Thesis Masters, with 10 Post Docs and 67 Undergraduate Researchers.His group pioneers the development of novel analytical instrumentation and methodology based upon chemical separation science, coupled with chemometric data analysis at both a fundamental and problem-solving level. He has over 300 publications (which includes over 75 publications in Analytical Chemistry, with an h-index of 60 and i10-index of 212), and over 680 research presentations which includes 280 invited lectures. The tile-based Fisher ratio software pioneered by the group to perform discovery-based analysis of GC×GC-TOFMS data was licensed by LECO corporation, commercialized as ChromaTOF Tile. In May 2013, Synovec was awarded the GC×GC Scientific Achievement Award at the 10th GC×GC International Symposium. This award has been instituted to recognize pioneering contributions in developing and promoting GC×GC instrumentation, method development and/or applications. In May 2016, Synovec received the Marcel Golay Award at the 40th ISCC meeting in Riva del Garda, Italy, presented to a scientist in recognition of a lifetime of achievement in capillary chromatography.</li></ul></li></ul><h5><strong>Major benefits of using comprehensive 2D gas chromatography-mass spectrometry in food analysis</strong></h5><ul><li>Peter Tranchida<ul><li>Peter Q. Tranchida occupies a position as Full Professor in Food Chemistry in the Department of Chemistry, Biological, Pharmaceutical and Environmental Sciences (University of Messina, Italy), and is currently Coordinator of the Master’s Degree Course in Food Science and Human NutritionHe has co-authored over 180 scientific publications (Scopus database) and has participated to over 360 oral/poster presentations in national and international meetings. In 2012, at the"9th GC×GC symposium", held in Riva del Garda, he was awarded the "John Phillips Award", for his outstanding achievements in the field of comprehensive two-dimensional gas chromatography. In 2019, at the “16th GC×GC symposium”, held in Fort Worth (Texas), he was awarded the “GC×GC Lifetime Achievement Award”. Prof. Tranchida is currently Associate Editor of Journal of Separation Science (Wiley).His research activities are focused mainly on the study of complex food samples by using advanced gas chromatography processes, in particular, multidimensional gas chromatography systems, combined with various forms of mass spectrometry Specifically, he has performed a great deal of research work in the field of classical multidimensional gas chromatography, multidimensional liquid-gas chromatography, and comprehensive 2D gas chromatography.</li></ul></li></ul><h3><strong>Short Courses</strong></h3><h4><strong>GC×GC Course</strong></h4><p>The popular GC×GC workshop Riva returns. In 2026, we will feature an updated coverage of basic principles, fundamentals, optimization strategies, key applications of GC×GC.</p><p>Presented by leading proponents of GC×GC, this course will offer opportunity to ask questions through a Q&amp;A session, share experiences, and learn of solutions that will assist your understanding of the technique, and provide tips and advice to improve your conduct of GC×GC.</p><p>Combined with a strong program of oral presentations and posters, GC×GC Riva 2026 promises to be a wealth of value-added information for the practitioner.</p><h5><strong>Target Audience</strong></h5><p>The target audience includes scientists and technologists who have an interest in GC×GC and are familiar with the technology but need additional information to assess the merits of GC×GC for their particular application or wish to further interpret the scope of GC×GC. More experienced users who wish to optimize their use of the instrument, to update their knowledge, or wish to have an opportunity to evaluate their personal practices in GC×GC will also be catered for.</p><h4><strong>Sunday - May 17, 2026</strong></h4><h5><strong>09:00 – 09:45 &nbsp;Introduction and Fundamentals</strong></h5><ul><li>Tadeusz Gorecki</li></ul><h5><strong>09:45 – 10:30 Optimization</strong></h5><ul><li>Hans-Gerd Janssen</li></ul><h5><strong>10:30 - 11:00 </strong>Coffee Break</h5><h5><strong>11:00 – 11:45 GCxGC Data</strong></h5><ul><li>James Harynuk</li></ul><h5><strong>11:45 – 12:45 Applications</strong></h5><ul><li>Philip Marriott</li></ul><h5><strong>12:45 - 13:00 Q/A Session</strong></h5>

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Eurachem is a European network promoting international traceability of chemical measurements and good analytical practice. It provides expert guidance, supports method validation, uncertainty evaluation, proficiency testing, and facilitates discussion on technical and policy issues in analytical quality.

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How can proficiency testing help my laboratory?