<p><strong>The LC for Pharma Resource Hub is a comprehensive platform designed to support professionals in the pharmaceutical industry by providing valuable resources related to liquid chromatography (LC). This hub offers a variety of materials, including webinars, technical articles, application notes, and case studies, all aimed at enhancing knowledge and proficiency in LC methodologies within pharmaceutical applications.​</strong></p><h3><strong>Key features of the LC for Pharma Resource Hub include:</strong></h3><h4><strong>Educational Webinars</strong></h4><p>Access on-demand webinars presented by industry experts, covering topics such as method development, validation, and troubleshooting in LC.​</p><ul><li><strong>Episode 1: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3437"><strong>USP 621 Harmonization - Method Scaling</strong></a><ul><li>Guest Speakers: Amanda Guiraldelli, Ph.D. &amp; Catharine Layton</li></ul></li><li><strong>Episode 2: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3438"><strong>USP 621 Revisions - S/N Calculation, Sensitivity and Peak Symmetry</strong></a><ul><li>Guest Speakers: Edmond Biba, Ph.D. &amp; Neil Lander</li></ul></li><li><strong>Episode 3: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3439"><strong>Enhanced Method Development</strong></a><ul><li>Guest Speakers: Amanda Guiraldelli, Ph.D. &amp; Richard Verseput</li></ul></li><li><strong>Episode 4: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3440"><strong>aQbD for OTC Products</strong></a><ul><li>Guest Speakers: Joshua Bhattacharaya &amp; Fadi Alkhateeb, Ph.D.</li></ul></li><li><strong>Episode 5: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3441"><strong>Impurity Profile Characterization</strong></a><ul><li>Guest Speakers: Christian Zeine, Henry Foddy &amp; Margaret Maziarz</li></ul></li><li><strong>Episode 6: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4123"><strong>USP Chapter 129 Updates and SEC-MALS</strong></a></li><li><strong>Episode 7: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4167"><strong>Dietary Supplement Quality</strong></a></li><li><strong>Episode 8: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3444"><strong>Lipid Nanoparticles</strong></a></li><li><strong>Episode 9: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3445"><strong>Nitrosamines</strong></a></li><li><strong>Episode 10: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4169"><strong>Dissolution</strong></a></li><li><strong>Episode 11: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4170"><strong>LG Polymers</strong></a></li><li><strong>Episode 12: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4669"><strong>Method Validation</strong></a></li><li><strong>Episode 13: </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/4670"><strong>Multi-Attribute Method</strong></a></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Solving_Problems_That_Matter_a_Waters_webinar_series_featuring_USP_speakers_ecf3502756/Waters-Solving-Problems-That-Matter-a-Waters-webinar-series-featuring-USP-speakers.jpg" alt="Waters Corporation: Solving Problems That Matter - a Waters webinar series featuring USP speakers" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Solving_Problems_That_Matter_a_Waters_webinar_series_featuring_USP_speakers_ecf3502756/thumbnail_Waters-Solving-Problems-That-Matter-a-Waters-webinar-series-featuring-USP-speakers.jpg 245w," sizes="100vw" width="800" height="418"></p><h4><strong>Waters 2024 LC Symposium - Pushing the boundaries of LC to address today's challenges</strong></h4><ul><li><strong>Waters 2024 LC Symposium - Day 1 - </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3935"><strong>Advanced LC Technologies for Increasingly Complex Molecules</strong></a><ul><li>Guest Speakers: Davy Guillarme, Ph.D., Guilherme (Gui) Guimaraes, Ph.D., &amp; Michelle Chen, Ph.D.</li></ul></li><li><strong>Waters 2024 LC Symposium - Day 2 - </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/3936"><strong>Next Generation HPLC: the Quest for Performance and Simplicity</strong></a><ul><li>Guest Speakers: Amanda Guiraldelli, Ph.D., Jennifer Simeone, &amp; Andrea Gheduzzi</li></ul></li></ul><h4><strong>Brochures and specifications</strong></h4><ul><li><strong>eBook: Improving Chromatographic Separations of Biopharmaceuticals With MaxPeak High Performance Surfaces (HPS) Technology</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/720008011en_dd0b025cd5/720008011en.pdf"><strong>Full PDF for download</strong></a></li></ul></li><li><strong>White Paper: MaxPeak Premier Solutions: Improving Consumer Safety Through Innovative Science</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/library.htm?locale=en_US&amp;lid=135123293&amp;cid=511436&amp;srsltid=AfmBOoripwfSGOjTFXNWqjDHknCTbtr0G9sKgb9BsUD-L9avphhNaGuH"><strong>Full PDF for download</strong></a></li></ul></li><li><strong>Application Notebook: Alliance iS</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/720008280en_e9d283fb41.pdf"><strong>Full PDF for download</strong></a></li></ul></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.cz/products/210"><strong>Alliance iS </strong></a>Product Information</li><li>I<strong>CH Q14 Enhanced Approach: Tools in Empower Software to Support Your Analytical Procedure Development</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://cdn.technologynetworks.com/TN/resources/PDF/Tools-in-Empower-Software-to-Support-Your-Analytical-Procedure-Development.pdf"><strong>Full PDF for download</strong></a></li></ul></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.wyatt.com/products/instruments/multi-angle-light-scattering-detectors-sec-mals.html"><strong>MALS Detectors Product Information</strong></a></li></ul><h4><strong>Guides</strong></h4><ul><li><strong>LC Adjustments Made Simple: A Practical Guide</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/720008065en_88843a7860/720008065en.pdf"><strong>Full PDF for download</strong></a></li></ul></li><li><strong>Guidebook: Characterization of New Modalities</strong></li><li><strong>Multi-Attribute Methods for Biopharmaceutical Analysis</strong><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/waters_mam_ebook_2023_84c6ae3f04/waters_mam_ebook_2023.pdf"><strong>Full PDF for download</strong></a></li></ul></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/library.htm?lid=135083997&amp;icid=hm-inno_00326&amp;srsltid=AfmBOopUZ0Cbncgz3zb34VIy1ysiVknnwF8Bca5aLAmt2KFOLtB3ZGhc"><strong>AQbD Method Development Infographic - Achieve Consistent Reportable Results</strong></a></li></ul><p>By offering these resources, the LC for Pharma Resource Hub serves as a valuable tool for professionals seeking to enhance their understanding and application of liquid chromatography in the pharmaceutical industry.</p><blockquote><p>For complete information, please visit the <a target="_blank" rel="noopener noreferrer" href="https://gateway.on24.com/wcc/experience/elitewatersregional/2426651/4494230/method-management-campaign?partnerref=CZLabrulez"><strong>LC Regulated Workflows: Access insights from Pharma industry experts website</strong></a></p></blockquote>

LC Regulated Workflows: Access insights from Pharma industry experts

News from LabRulezLCMS Library - Week 36, 2026

<p><strong>Our Library never stops expanding. What are the most recent contributions to LabRulezLCMS Library in the week of 29th September 2026? Check out new documents from the field of liquid phase, especially HPLC and LC/MS techniques!</strong></p><blockquote><p><span style="font-size:20px;">👉 </span><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library"><span style="font-size:20px;"><strong>SEARCH THE LARGEST REPOSITORY OF DOCUMENTS ABOUT LCMS 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://gcms.labrulez.com/library"><strong>LabRulezGCMS</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 technical note by <strong>KNAUER,</strong> application note by <strong>Shimadzu </strong>and posters by<strong> Thermo Fisher Scientific / HPLC Symposium </strong>and <strong>Waters Corporation / AOAC!</strong></p><h3><strong>1. KNAUER: Efficient separation of di(2-ethylhexyl) phthalate (DEHP) from oil matrices using GPC</strong></h3><ul><li>Technical note</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/VTN_00_XX_knauer_applichrom_gpc_f1d7f1a236.pdf"><strong>Full PDF for download</strong></a></li></ul><p>Phthalates are chemical compounds primarily used as plasticizers in polymers to enhance the flexibility and elasticity of materials such as polyvinyl chloride (PVC) [1]. Since plasticizers are not covalently bound to the polymer chains, they have the potential to leach into the contacting media and contribute to contamination [2]. With the widespread and increasing use of plastic materials, the risk of phthalate release and human exposure continues to rise. As a result, and due to their potentially harmful effects on human health, phthalates have attracted growing scientific and regulatory attention in recent years [1]. Oil-rich food products can leach lipophilic phthalates from their packaging [3]. Throughout the production and packaging process, polymeric components such as tubing, containers, and caps may serve as potential sources of contamination. For the analysis of phthalates in such oil matrices, sample cleanup is an essential step. Gel permeation chromatography (GPC), based on sizeexclusion principles, is widely applied as an effective cleanup technique prior to subsequent analytical determination.</p><h4><strong>MATERIALS &amp; METHODS</strong></h4><p>The samples were dissolved in the eluent mixture and filtered through a 0.45 µm PTFE filter prior to analysis. For both olive oil and canola oil, an additional sample spiked with DEHP was prepared and likewise filtered before analysis. Chromatographic analysis was performed using an isocratic method with an eluent composition of ethyl acetate/heptane (50:50 v/v) at a flow rate of 1.0 mL/min. Detection was carried out by UV absorbance at 254 nm. The injection volume was 8 µL using a full-loop injection mode. The column temperature was maintained at 25°C. Separation was achieved on an <strong>AppliChrom® OleoSep column </strong>(10 µm, 300 × 8 mm). The <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1630"><strong>AZURA® Semi Preparative GPC System</strong></a> was used.</p><h4><strong>CONCLUSION</strong></h4><p>GPC sample preparation is an effective approach for separating phthalates from high-molecular-weight matrices such as edible oils. In this study, the successful separation of di(2-ethylhexyl) phthalate (DEHP) from three different oil samples was demonstrated. Based on these results, it can be assumed that other phthalates with lower molecular weights (&lt; 390 Da) can also be effectively separated under same conditions. The KNAUER AZURA® GPC semi preparative system (Fig. 4) in combination with the AppliChrom® OleoSep GPC column provides a robust and efficient setup for sample preparation in phthalate analysis, offering rapid separation, high resolution, and minimal solvent consumption due to the short analysis time.</p><h3><strong>2. Shimadzu: Analysis of Chloride and Sulfate Ions in Bioethanol Using the </strong><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/lcms/library?mainauthorItems=1&amp;search=Nexera+IC"><strong>Nexera IC Ion Chromatograph</strong></a></h3><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/an_01_01211_en_55cbf3e64f.pdf"><strong>Full PDF for download</strong></a></li></ul><h5><strong>User Benefits</strong></h5><ul><li>Analysis of chloride and sulfate ions in fuel ethanol can be conducted in accordance with ASTM D7319-221) .</li><li>Accurate quantitative determination, exhibiting excellent linearity and repeatability, can be achieved at concentration levels significantly below the limits specified by the ASTM criteria.</li></ul><p>First-generation bioethanol produced from raw materials such as corn and sugarcane has been utilized to achieve carbon neutrality. However, research and development for second-generation bioethanol produced from non-food, cellulose-based raw materials is also underway to avoid competition with food crops. In Japan, eight companies, including Toyota Motor Corporation, have formed the “Research Association of Biomass Innovation for Next Generation Automobile Fuels” (raBit) to advance research on next-generation bioethanol technologies. Shimadzu participates as a supporting member and promotes research and development through analytical technology cooperation.</p><p>&nbsp;It is known that the presence of chloride and sulfate ions in fuel ethanol can form engine residue, leading to reduced engine performance. ASTM D4806-252) specifies fuel ethanol quality as criterion of chloride ion must not exceed 6.7 mg/kg and that of sulfate ion must not exceed 4 mg/kg. ASTM D7319-22 includes test methods for chloride and sulfate ions in fuel ethanol using ion chromatography.&nbsp;</p><p>In this application, we present an example of the analysis of chloride and sulfate ions in bioethanol using the <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/lcms/library?mainauthorItems=1&amp;search=Nexera+IC"><strong>Nexera IC</strong></a> in accordance with ASTM D7319-22.</p><h4><strong>Conclusion</strong></h4><p>Chloride and sulfate ions in bioethanol were determined using a Nexera IC system in accordance with ASTM D7319-22. The method offers high sensitivity, linearity, and repeatability, enabling reliable quantification at concentrations well below ASTM-specified limits, thus supporting effective quality control and regulatory compliance of fuel ethanol.</p><h3><strong>3. Thermo Fisher Scientific / HPLC Symposium: LC-MS analysis of intact and subunit-level mAb enabled by a novel monodisperse supermacroporous reversed-phase platform</strong></h3><ul><li>Poster</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/po_004763_ccs_surepac_protein_reverse_phase_mabs_separation_po004763_na_en_56199ec50d.pdf"><strong>Full PDF for download</strong></a></li></ul><p>Monoclonal antibodies (mAbs) are structurally complex biotherapeutics that require multi-level analytical characterization to ensure product quality, safety, and efficacy. LC-MS analysis is routinely applied at the intact protein and subunit levels to assess molecular mass, heterogeneity, and structural integrity. Enzymatic subunit generation, such as IdeS digestion, enables targeted domain-level characterization while reducing analytical complexity compared to full peptide mapping. Achieving high-performance reversed-phase separations across intact and subunit-level workflows remains challenging, as chromatographic columns optimized for intact proteins often compromise performance of smaller subunits. Consequently, multiple columns are required to support comprehensive mAb characterization.&nbsp;</p><p>In this study, we evaluate a reversed-phase separation column based on a novel 2.5 μm monodisperse supermacroporous (SMP) polymeric stationary phase for unified LC-MS analysis of monoclonal antibodies under intact, reduced, and IdeSdigested conditions. The SMP resin’s uniform particle size and highly accessible pore structure enable efficient separation of both small and large analytes, including intact mAbs, reduced subunits (LC and HC), and IdeS-generated fragments such as scFc and F(ab′)₂. Using the SurePac Protein RP MDi column, baseline separation of these species was achieved within a 10- minute gradient, providing a fast, all-in-one LC-MS approach for mAb variant characterization.</p><h4><strong>Materials and methods</strong></h4><h5><strong>Instruments&nbsp;</strong></h5><p><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/744"><strong>Thermo Scientific Vanquish Horizon UHPLC system</strong></a>; <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/401"><strong>Thermo Scientific Orbitrap Exploris 480 mass spectrometer</strong></a> with <strong>Thermo Scientific OptaMax NG ion source</strong>.&nbsp;</p><h5><strong>Data analysis&nbsp;</strong></h5><p>The UHPLC system with mass spectrometer were operated with <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1758"><strong>Thermo Scientific Xcalibur 4.7 software</strong></a>. Full MS spectra of intact mAbs and mAb fragments were analyzed using Thermo Scientific Freestyle 1.8 and BioPharma Finder 5.4 software that utilizes the ReSpect and Xtract algorithms for molecular mass determination.</p><h4><strong>Conclusions&nbsp;</strong></h4><ul><li>A SurePac Protein RP column enabled a rapid (10 min) separation of mAb LC, HC, scFc, and F(ab′)₂ fragments, with major proteoforms identified by mass agreement.&nbsp;</li><li>The SurePac Protein RP column supports comprehensive intact and subunit-level mAb characterization in a single workflow, with strong separation performance across mAb fragments.</li></ul><h3><strong>4. Waters Corporation / AOAC: IMPROVED PURIFICATION OUTCOMES FOR PROBLEMATIC COMPOUNDS USING AN INERT COLUMN WITH POLAR SORBENT</strong></h3><ul><li>Poster</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/720009616_AOAC_f65ea1b771.pdf"><strong>Full PDF for download</strong></a></li></ul><div><div><section><div><div><div><div><div><div><p>Whether the goal is to obtain enough intermediate for the next step in a synthetic scheme, to polish a final product, or to create a suitable standard for compound identification, preparative liquid chromatography remains a primary technique for isolating compounds from complex mixtures. Recovering the target compound at the desired purity and yield in the least amount of time is of utmost importance.&nbsp;</p><p>Polar targets that do not retain, or “sticky” compounds that seemingly disappear on the column are two groups that many consider to be ’problematic’ in purification. “Sticky” compounds, also known as non-specific adsorbers (NSAs), are metal-sensitive targets what can adsorb to positively charged metal surfaces in the LC system flow path and column, making them difficult to detect and collect effectively. Although other methods, such as column pre-conditioning, can be implemented for isolating compounds known to be interactive, this option can be time-consuming and lead to sample loss and excessive solvent waste.&nbsp;</p><p>Although lab scale purifications in which tens to hundreds of milligrams of target compound are isolated from crude mixtures are still performed routinely, the trend toward smaller scale purification is becoming more prevalent. Laboratories are increasingly opting to isolate only a few milligrams of target compound for preliminary studies. Successful target candidates are then isolated in greater amounts to satisfy ensuing experiments. Whether the objective is to isolate a small amount of target compound for exploratory studies, or to purify greater amounts for their use as reference standards, a column which can resolve eluting impurities efficiently is required.&nbsp;</p><p>Echinacea is an herbaceous flowering plant in the daisy family<sup>1,2</sup> and is one of the most important medical herbs widely used to treat the common cold and other infectious diseases.<sup>3</sup> One of the most abundant compounds in echinacea is chicoric acid (Figure 1), a phenylpropanoid and caffeic acid derivative.<sup>4,5</sup> In this scale-up study, chicoric acid, a suspected “sticky” target polar compound was isolated from a complex echinacea tea extract using two inert XSelect HSS T3 MaxPeak Premier OBD Columns with different particle sizes and dimensions (3.5 μm 10 x 100 mm and 5 μm 10 x 150 mm). The MaxPeak Premier OBD preparative HPLC columns are considered ’inert’ because they are enabled with Waters High Performance Surface (HPS) Technology. The chicoric acid isolated using the 3.5 μm column was of equivalent UV purity to the product isolated using the 5 μm column, with a 34% savings in run time. Smaller particle preparative isolations using columns with inert hardware are a practical option for those laboratories where reduced amounts of target are needed for projects conducted on accelerated timelines.</p><h4><strong>METHODS</strong></h4><ul><li><strong>Analytical Columns and flow rate:</strong> ACQUITY Premier HSS T3 and <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1952"><strong>ACQUITY UPLC HSS T3 Columns</strong></a>; 1.8 μm, 2.1x50 mm; 0.35 mL/min&nbsp;</li><li><strong>Prep Columns and flow rate:</strong> XSelect HSS T3 OBD Prep Column and XSelect Premier HSS T3 OBD Prep (custom) Columns, 5 μm, 10x150 mm; XSelect Premier HSS T3 OBD Prep Column, 3.5 μm, 10x100 mm; 5.4 mL/min</li></ul><h5><strong>Instrumentation&nbsp;</strong></h5><ul><li><strong>Analytical:</strong> <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/198"><strong>ACQUITY UPLC H-Class System</strong></a>; Quaternary Solvent Manager, Sample Manager FTN-H, Column Manager, TUV Detector, <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1543"><strong>ACQUITY QDa Detector&nbsp;</strong></a></li><li><strong>Prep:</strong> Waters AutoPurification System; 2545 Binary Gradient Module, 2767 Sample Manager, System Fluidics Organizer, 2998 Photodiode Array Detector</li></ul><h4><strong>CONCLUSIONS&nbsp;</strong></h4><ul><li>Chicoric acid was analyzed and isolated using analytical and preparative MaxPeak Premier HSS T3 Columns with inert surfaces, which increased the peak area and height for improved detection and collection.&nbsp;</li><li>Chicoric acid was successfully isolated using 3.5 and 5 μm XSelect Premier HSS T3 OBD Prep Columns and fraction pool analysis showed equivalent UV purity, which suggests the viability of incorporating small particle preparative chromatography into the purification workflow.&nbsp;</li><li>3.5 μm preparative columns improve purification process efficiency and promote sustainability by reducing method run time, solvent usage, and fraction lyophilization time.&nbsp;</li><li>Inert MaxPeak Premier column hardware, OBD Technology, and small particle preparative columns are well-suited for the demands of the purification laboratory when results must be generated efficiently to satisfy accelerated production timelines</li></ul></div></div></div></div></div></div></section></div></div>

News from LabRulezLCMS Library - Week 40, 2026

News from LabRulezLCMS Library - Week 42, 2026

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Waters Corporation, the world's leading specialty measurement company, has pioneered chromatography, mass spectrometry and thermal analysis innovations serving the life, materials and food sciences for nearly 60 years.

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Thermo Fisher Scientific Mass Spectrometry Users’ Meetings 2026

LECO Training Course GDS900/950 & CDP

Thermo Fisher Scientific Analytical solutions forum

Validated Method for PFAS Testing in Food, Including Meats

Confidence in PFAS Data: Smarter Sample Prep, Contamination Control, Highly Sensitive and Robust MS

From sample to result: advanced sample prep strategies for food and environmental matrices