Post-translational modifications (PTMs) are where so much of biology’s complexity lives, but they are also some of the hardest molecular features to analyze with confidence. Phosphorylation, asymmetric dimethylarginine (ADMA), and O-GlcNAcylation (O-GlcNAc) often occur at low abundance, can be highly labile, and frequently require precise site localization to understand their biological meaning. This<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/tn_004377_ov_phosphorylation_ptm_etd_excedion_pro_tn004377_na_en_71f681655f.pdf"> technical note </a>shows how the <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1958">Thermo Scientific Orbitrap Excedion Pro Hybrid Mass Spectrometer</a> helps address those challenges by combining fast, sensitive performance with complementary <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/7217">HCD and EThcD fragmentation</a> workflows.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Phosphorylation_ADMA_and_O_Glc_N_Ac_Analysis_on_the_Orbitrap_Excedion_Pro_Mass_Spectrometer_d24a5de98e.jpg" alt="Thermo Fisher Scientific: Phosphorylation, ADMA, and O-GlcNAc Analysis on the Orbitrap Excedion Pro Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Phosphorylation_ADMA_and_O_Glc_N_Ac_Analysis_on_the_Orbitrap_Excedion_Pro_Mass_Spectrometer_d24a5de98e.jpg 245w," sizes="100vw" width="1024" height="512">Using enriched PTM samples and automated data-dependent acquisition, the study demonstrates that the Orbitrap Excedion Pro MS can deliver both depth and confidence across multiple PTM classes. For phosphorylation analysis, the platform identified 5,892 unique phosphosites from IMAC-enriched samples and 2,941 unique phosphotyrosine sites after phosphotyrosine enrichment, highlighting strong performance for both broad and highly targeted signaling studies. Just as importantly, the data show that HCD and EThcD provide complementary value, with each fragmentation method contributing unique site identifications and helping resolve ambiguous assignments.The note also highlights the value of EThcD for more analytically demanding PTMs. In ADMA-enriched samples, EThcD delivered more ADMA peptide-spectrum matches and more unique modified peptides than HCD, supporting improved confidence in site characterization. For O-glycopeptides, the Orbitrap Excedion Pro MS uses an intelligent HCD-product-dependent-EThcD strategy that triggers EThcD only when oxonium ions are detected, improving productivity while preserving the fragmentation detail needed for confident glycosite localization.Overall, this technical note shows how Orbitrap Excedion Pro MS enables researchers to go deeper into PTM biology with greater sensitivity, better site confidence, and smarter acquisition. For scientists studying signaling, regulation, and disease mechanisms, it presents a powerful approach for expanding PTM coverage without compromising analytical rigor.<blockquote><h5><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/tn_004377_ov_phosphorylation_ptm_etd_excedion_pro_tn004377_na_en_71f681655f.pdf">Download the technical note "Advancing phosphorylation, ADMA, and O-GlcNAc PTM analysis with HCD and EThcD on the Orbitrap Excedion Pro mass spectrometer"</a></h5></blockquote>Visit us on&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/showcase/72003132/admin/dashboard/">LinkedIn:</a>&nbsp;#PTM #OrbitrapExcedionPro #glycosylation #phosphorylation

Phosphorylation, ADMA, and O-GlcNAc Analysis on the Orbitrap Excedion Pro Mass Spectrometer

The countdown is almost over. In just one week, the international chromatography community will meet in Prague for the <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/events/644">35th International Symposium on Chromatography (ISC 2026)</a>, taking place from September 6–10, 2026. Whether your registration has been confirmed for months or you are still deciding whether to join, now is the time to finalize your plans. Here is what you need to know before ISC 2026 begins.<a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/companies/314">ISC</a> is the oldest conference series dedicated to separation science, with symposia organized since 1956. This September, the Prague Congress Centre will welcome researchers, industry experts, instrument manufacturers, young scientists, and other specialists for five days of chromatography and separation science, covering everything from fundamental research to pharmaceutical, environmental, food, health, and omics applications.But before the scientific sessions begin, there are a few practical details worth checking.<h4>ISC officially starts on September 6 – but activities begin a day earlier</h4>The official dates for ISC 2026 are Sunday, September 6 through Thursday, September 10, but for some participants the conference starts already on Saturday, September 5.The first Short Courses are scheduled for Saturday (<a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/6770">SC 1 – Modern HPLC Separation in Theory and Practice</a> and <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7312">SC 2 – mzmine for LC-MS data analysis</a>), with additional courses continuing on Sunday morning and afternoon. If you have registered for a Short Course, make sure to check its exact date and starting time before arranging your journey to Prague.Sunday then marks the official opening of ISC 2026, with the Opening Ceremony, Award Ceremony, <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7361">plenary lectures</a>, and Welcome Reception introducing delegates to the week ahead.<h4>Haven’t registered yet? You can still join ISC 2026</h4>Missed the late-registration deadline? It is still possible to attend.Onsite registration has been available since August 26, 2026, giving last-minute participants another opportunity to join the symposium. Current onsite registration fees are:<ul><li>Industry: €1,150</li><li>Academic: €890</li><li>Student: €390</li><li>Short Courses: €270</li></ul>The Short Course fee covers participation in up to three Short Courses.One practical point for last-minute registration: bank-transfer payments closed on August 19, so only card payments are now accepted.Full registration includes access to oral and poster sessions, the exhibition, the Sunday Welcome Reception, scheduled lunches and coffee breaks, the electronic Book of Abstracts, and a Prague public transportation pass.<h4>Where is ISC 2026 and how do you get there?</h4>ISC 2026 will take place at the:Prague Congress Centre<ul><li>5. května 65</li><li>140 21 Prague 4</li><li>Czech Republic</li></ul>The venue is particularly easy to reach by public transport. It is located directly on Prague’s Metro Line C at Vyšehrad station, just around five minutes by metro from Muzeum station in the city centre.The Prague Congress Centre brings the lecture halls, exhibition spaces, meeting rooms, and other conference facilities together in one venue, making it easy to move between scientific sessions, posters, industry activities, and the exhibition throughout the day.And since full conference registration includes public transportation in Prague, getting around the city during ISC should be straightforward.<h4>When can you pick up your conference materials?</h4>The registration desk will already be open during the Short Courses and will remain available throughout the symposium.Registration opening hours:<ul><li>Saturday, September 5: 8:30–17:00</li><li>Sunday, September 6: 7:30–19:00</li><li>Monday, September 7: 7:30–18:00</li><li>Tuesday, September 8: 7:30–19:00</li><li>Wednesday, September 9: 8:00–18:00</li><li>Thursday, September 10: 8:30–14:30</li></ul>If you are arriving in Prague on Sunday, allowing some extra time for registration before the Opening Ceremony will make the start of the conference considerably more relaxed.<h4>Now is the time to build your personal ISC program</h4>With several parallel sessions running throughout the week, trying to decide where to go only after arriving at the venue may mean missing something important.The <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7477">main scientific program</a> is organized around three broad areas:<ul><li>Fundamentals</li><li>Bioanalysis and omics applications</li><li>Hyphenated techniques</li></ul>These are complemented by <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7280">Tutorials </a>+ Young Speakers, plenary and invited lectures, poster sessions, the international exhibition, vendor seminars, and industry-focused activities.Before leaving for Prague, take another look at the Interactive Program and mark the lectures, posters, and other activities that are most relevant to you. If you are presenting your own work, this is also the right time to double-check your assigned session, room, and presentation time.And don’t focus only on the oral program. Poster sessions and exhibition breaks are among the best opportunities to discuss new research directly with authors, meet instrument and technology specialists, and make new contacts.<h4>Don’t overlook the vendor seminars and industry program</h4>ISC 2026 is not limited to academic presentations. The conference also includes an extensive industry component, with activities covering current challenges in separation science and practical applications of new analytical technologies.During the lunchtime sessions, participants can attend <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7736">vendor seminars</a> presented by companies including Avantor, Shimadzu, Advanced Materials Technology, Restek, and Thermo Fisher Scientific. Topics range from stationary-phase selectivity and chromatographic modelling to HPLC and LC-MS column technologies and advanced characterization of biotherapeutics.The conference also includes dedicated <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7777">Industry Activities</a> from Monday through Wednesday, bringing together academic and industrial perspectives on topics relevant to analytical laboratories and the future of separation science. One of the discussions, for example, will examine how education in separation science can better reflect the skills required by modern industry, while another will focus on sustainability and the practical implementation of greener analytical workflows.On Wednesday, participants can also join the <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7801">Publishing Workshop</a>, another activity worth adding to the schedule if scientific publishing is part of your work.<h4>Test your chromatography knowledge at the ISC Quiz</h4>Not every session needs to be completely serious.On Tuesday, September 8 from 18:30 to 19:30, ISC will host an interactive Chromatography Quiz, combining practical questions, chromatography fundamentals, unusual facts, and lighter challenges.There is no advance registration required. Any registered conference participant can join, but remember to bring a smartphone—the quiz uses live participation through a QR code.Results will be scored in real time, and prizes will be awarded to the top three participants.<h4>Start networking from the first evening</h4>The scientific program may be the main reason to attend ISC, but the conversations between sessions can be equally valuable.The first major networking opportunity comes immediately on Sunday.The Welcome Reception will take place on September 6 from 18:30 to 20:00 in the second-floor foyer of the Prague Congress Centre. It is open to registered participants and accompanying persons and includes a light buffet and drinks.As it takes place immediately after the opening program, it is an ideal opportunity to reconnect with colleagues, meet new contacts, and start conversations before the full parallel scientific program begins on Monday.Another social highlight will be the Gala Dinner on Wednesday, September 9 from 19:00 to midnight at the National House Vinohrady.The Gala Dinner requires a separate €100 ticket, is not included in the standard registration fee, and has a smart-casual dress code. Participants should also note that transportation to and from the venue is not organized by the conference.<h4>And perhaps leave a little time for Prague</h4>A conference schedule can fill up quickly, but ISC 2026 is taking place in one of Europe’s most walkable cities.If you find some free time between sessions, Vyšehrad is only about a 10-minute walk from the Prague Congress Centre and offers panoramic views across Prague and the Vltava River. It is an easy option for a short walk without travelling back into the historic city centre.See you at ISC 2026 in Prague!

ISC 2026 Starts in One Week: What You Need to Know

In the week of August 31, the following webinars await you in the field of liquid phase and especially HPLC and LC/MS.<blockquote><h4><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinars">👉 DETAILS AND REGISTRATION IN THE WEBINARS SECTION</a></h4>👉 Search and filter in the largest global database with over 5 500 GC, LC, MS and spectroscopy webinars.</blockquote><h5>1. Technology Networks: Modern Methods for Faster Microbial Analysis</h5><ul><li>Tu, 1.9.2026 11:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6454">Registration</a></li></ul>Struggling to choose the right technique for microbial testing? Learn how MALDI-TOF, FTIR, and automated DNA/RNA electrophoresis accelerate identification.<h5>2. Phenomenex: Addressing LC Method Optimization - Scaling For Efficiency, Throughput And Reproducibility</h5><ul><li>We, 2.9.2026 10:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6458">Registration</a></li></ul>Join this webinar on LC method optimization and scaling. Learn how column dimensions, particle morphology, and sample loading strategies maximize throughput and reproducibility.<h5>3. Thermo Fisher Scientific: Proteoform Studio software, top down made simple</h5><ul><li>We, 2.9.2026 14:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6459">Registration</a></li></ul>Learn how Thermo Scientific Proteoform Studio software simplifies top-down MS and intact protein analysis through integrated workflows, interactive deconvolution, and reporting.<h5>4. Agilent Technologies: Targeted Hybridization Capture for Antimicrobial Resistance Surveillance in Complex Environmental Samples</h5><ul><li>We, 2.9.2026 15:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6455">Registration</a></li></ul>Discover how Agilent SureSelect hybrid capture enhances antimicrobial resistance gene detection and characterization in complex environmental samples compared with shotgun NGS.<h5>5. Thermo Fisher Scientific: Ask the Expert: What to expect from the new Thermo Scientific™ Orbitrap™ Excedion™ Hybrid mass spectrometers</h5><ul><li>Th, 3.9.2026 11:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6466">Registration</a></li></ul>Discover the new Orbitrap Excedion Hybrid Mass Spectrometer and learn how enhanced dynamic range, robust performance, and an upgradeable design support advanced HRAM workflows.<h5>6. Waters Corporation: Informatics series #34 Ready for Self-Documenting Chromatography?</h5><ul><li>Th, 3.9.2026 11:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6426">Registration</a></li></ul>Speed up root cause analysis with self-documenting LC and Empower software in this 30-minute Waters coffee break.<h5>7. SciY/Mestrelab Research: From Legacy Workflows to Paperless Labs: Track Every Sample, Process, and Decision</h5><ul><li>Th, 3.9.2026 17:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6425">Registration</a></li></ul>Transform your lab from paper to digital. Learn how WebLab and LIMS workflows automate sample tracking and support laboratory compliance.<h5>8. SelectScience: ADC characterization in one native LC-MS workflow</h5><ul><li>Fr, 4.9.2026 17:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/webinar/6460">Registration</a></li></ul>Simplify ADC characterization with native RP-LC-MS using Biozen® columns to determine DAR, proteoforms, and positional isomers without buffer exchange.

Webinars LabRulezLCMS Week 36/2026

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The International Symposium on Chromatography (ISC) represents the oldest conference series focussing on separation science. ISC symposia have been organised since 1956 in each even year. ISC is internationally recognised as one of the premier meeting series for discussion of all modes of chromatography and separation science with a broad coverage of techniques and applications.

International Symposium on Chromatography - (ISC)

Characterization of polymers (Watrex)

Watrex Prague offers laboratory characterization of polymers using GPC.

<h4>WI08112 – Determination of Molecular Weight Distribution of Polymeric Materials</h4><ul><li>Determination by GPC method in water and THF, or optionally in other solvents upon request.</li><li>Each set of measurements requires calibration (WI08113).</li><li>Price: 3,300 CZK excl. VAT</li></ul><h4>WI08113 – Calibration for Molecular Weight Distribution of Polymeric Materials</h4><ul><li>Calibration using dextran, polymaltotriose, or polystyrene standards for GPC molecular weight distribution determination.</li><li>Price: 4,500 CZK excl. VAT</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_GPC_separace_polymeru_na_kolone_Watrex_Delta_Gel_47ce92deaa.jpg" alt="Watrex: GPC separation of polymers on Watrex DeltaGel column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Watrex_GPC_separace_polymeru_na_kolone_Watrex_Delta_Gel_47ce92deaa.jpg 213w," sizes="100vw" width="1385" height="1018"><blockquote><h3>Services – Laboratory</h3>The Watrex Analytical Laboratory will be happy to perform any of our standard analyses, custom analyses, or assist you with method development.We specialize primarily in liquid chromatography techniques and are ready to meet a wide range of requirements—from method development and optimization, through validation and verification of external methods, to training and troubleshooting.Our laboratory also manufactures and packs its own chromatographic columns and guard columns for basic HPLC modes (reversed phase, normal phase, ion chromatography, and ion exclusion chromatography).<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Analyticka_laborator_fc8862fba5.jpg" alt="Watrex: Analytical Laboratory" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Watrex_Analyticka_laborator_fc8862fba5.jpg 245w," sizes="100vw" width="1569" height="637"></blockquote>

Analytical Services for Building Materials (Watrex Laboratory)

Comprehensive analysis of building materials by ion chromatography and gravimetry – salts, moisture, lime, gypsum, density, and absorption testing by Watrex Laboratory.

<h5>WI08101 – Determination of Water-Soluble Salts in Building Materials</h5><ul><li>Determination of chlorides, nitrates, and sulfates in aqueous extract using ion chromatography. Requires approx. 1 g of a homogeneous sample.</li><li>Price: 600 CZK excl. VAT</li></ul><h5>WI08102 – Determination of Moisture in Building Materials</h5><ul><li>Gravimetric method after drying the sample to constant weight. Moisture content is expressed in mass %. Requires at least 10 g of sample in sealed packaging.</li><li>Price: 300 CZK excl. VAT</li></ul><h5>WI08103 – Determination of Lime Content in Lime Mortars</h5><ul><li>After acid digestion, Ca and Mg content is determined to calculate CaCO₃ and MgCO₃. Sand content determined gravimetrically. Not suitable for cement mortars. Requires approx. 5 g of sample.</li><li>Price: 1,275 CZK excl. VAT</li></ul><h5>WI08104 – Semi-Quantitative Determination of Gypsum in Building Materials</h5><ul><li>Based on solubility differences of gypsum and alkaline sulfates. Requires approx. 11 g of sample.</li><li>Price: 1,100 CZK excl. VAT</li></ul><h5>WI08105 – Determination of Bulk Density of Building Materials</h5><ul><li>Performed using quartz sand displacement. Requires 30–50 cm³ of sample in pieces 2–4 cm.</li><li>Price: 440 CZK excl. VAT</li></ul><h5>WI08109 – Determination of Hygroscopic Moisture in Building Materials</h5><ul><li>Gravimetric method after equilibrium at 100% RH and drying at 105 °C for 2 hours. Requires approx. 10 g of sample.</li><li>Price: 440 CZK excl. VAT</li></ul><h5>WI08114 – Determination of Water Absorption of Building Materials</h5><ul><li>Gravimetric method from weight difference between dried and water-saturated sample. Bulk density determined simultaneously. Requires 30–50 cm³ of sample in pieces 2–4 cm.</li><li>Price: 4,495 CZK excl. VAT</li></ul><blockquote>10% discount when submitting 3 or more samples at once.</blockquote><blockquote><h3>Services – Laboratory</h3>The Watrex Analytical Laboratory will be happy to perform any of our standard analyses, custom analyses, or assist you with method development.We specialize primarily in liquid chromatography techniques and are ready to meet a wide range of requirements—from method development and optimization, through validation and verification of external methods, to training and troubleshooting.Our laboratory also manufactures and packs its own chromatographic columns and guard columns for basic HPLC modes (reversed phase, normal phase, ion chromatography, and ion exclusion chromatography).<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Analyticka_laborator_fc8862fba5.jpg" alt="Watrex: Analytical Laboratory" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Watrex_Analyticka_laborator_fc8862fba5.jpg 245w," sizes="100vw" width="1569" height="637"></blockquote>

Identification of the substance – what is in your sample? (Bioanalytic)

We are able to identify metabolites and products of chemical reactions, contaminants of biological and chemical substances and preparations, and perform profiling of a series of samples to study the kinetics of transformations.

<h4>Substance Identification - Looking for answers to what's in your sample? - we can help you.</h4>Substance identification based on LC-MS/MS techniques can involve single compounds or mixtures of substances. In our analyses, we rely primarily on the knowledge and skills we have acquired after many years of work. For analysis, we use full laboratory facilities for sample preparation and high-resolution mass spectrometry (<a target="_blank" rel="noopener noreferrer" href="https://labexperts.com.pl/o-nas/">equipment</a>).We use different work algorithms depending on the material we are dealing with and the analytical task to be solved. We use DDA (IDA) or DIA (SWATH) methods or targeted approaches (e.g. MRMhr) if we know what to expect. Thus, we are able to identify metabolites and products of chemical reactions, contaminants of biological and chemical substances and preparations, and perform profiling of a series of samples to study the kinetics of transformations.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_2_0f425a648b.jpg" alt="Bioanalytic: Identification of the substance – what is in your sample" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_2_0f425a648b.jpg 245w," sizes="100vw" width="1881" height="1156"><h4>COST OF SERVICE</h4>We determine the cost of the service individually. The final cost is influenced by many factors related to the nature of the sample itself and the client's expectations. Thus, the price depends, among other things, on the complexity of the sample preparation procedure, the scope and number of analyses, etc.The service includes (depending on individual arrangements):<h5>Development of sample preparation procedure</h5><ul><li>Depending on the matrix and test substances.</li></ul><h5>Development of analytical methods</h5><ul><li>Application of high-resolution LC-MS/MS analyses using DDA (IDA) or DIA (SWATH) experiments and software to support the development of targeted screening methods.</li></ul><h5>Analysis of results includes:</h5><ul><li>finding and identifying the substances of interest, interpreting MS/MS spectra and proposing a structural formula.</li><li>Comparative analysis of sample series, e.g. PCA,</li><li>profiling of analytes in sample series</li></ul><h5>Reporting of results</h5><ul><li>Compile results into easy-to-read reports.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_3_c1b8adc1d0.jpg" alt="Bioanalytic: Identification of the substance – what is in your sample" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_3_c1b8adc1d0.jpg 245w," sizes="100vw" width="1919" height="1208">

Advanced PFAS Analytical Services (ALS)

Comprehensive PFAS analysis in water, soil, sludge, and AFFF sites using LC-MS/MS. Detect 60+ PFAS compounds, meet EU limits, and ensure compliance with evolving 2025 regulations.

<h4>Advanced PFAS Analytical Services</h4><h5>Ensuring Compliance, Safety and Environmental Responsibility</h5>Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals widely used in industrial applications and consumer products. Their persistence in the environment and potential health risks have led to increasing regulatory scrutiny, particularly in drinking water and firefighting foam residues.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/ALS_Advanced_PFAS_Analytical_Services_c8d8b28b7c.jpg" alt="ALS: Advanced PFAS Analytical Services" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_ALS_Advanced_PFAS_Analytical_Services_c8d8b28b7c.jpg 245w," sizes="100vw" width="1604" height="502"><h4>Our Expertise</h4>We offer state-of-the-art analytical services for the detection and quantification of PFAS in:<ul><li>Drinking/ground/surface/waste water</li><li>Soil, sediment, sludge and biosolids</li><li>AFFF-contaminated sites and products</li></ul><h5>Using LC-MS/MS, our laboratories provide:</h5><ul><li>Ultra-trace level detection (ng range)</li><li>Analysis of over <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/enviromail_01_europe_the_scope_of_pfas_analyses_in_waters_and_current_state_of_legislation_6ebd4f1b6f/enviromail_01_europe_the-scope-of-pfas-analyses-in-waters-and-current-state-of-legislation.pdf">60 individual PFAS compounds</a></li><li>Non-targeted PFAS analysis like TOPA</li></ul><blockquote><h5>Contact Us</h5>Let us help you navigate the complex landscape of PFAS regulation and ensure your operations meet the highest standards of safety and compliance.<ul><li>+420 226 226 228</li><li><a href="mailto:customer.support@alsglobal.com">customer.support@alsglobal.com</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.alsglobal.eu/">alsglobal.eu</a></li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/ALS_PFAS_421ef75bea.jpg" alt="ALS: PFAS Analytical Services" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_ALS_PFAS_421ef75bea.jpg 156w," sizes="100vw" width="919" height="919"></blockquote><h4>Regulatory Context in Europe (2025)</h4>European legislation is rapidly evolving to address PFAS contamination:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://eur-lex.europa.eu/legal-content/EN/LSU/?uri=oj:JOL_2020_435_R_0001">The EU Drinking Water Directive (2020/2184) </a>mandates monitoring of PFAS, with a parametric value of 0.10 μg/L for the sum of 20 PFAS compounds</li><li><a target="_blank" rel="noopener noreferrer" href="https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=OJ:L:2006:396:TOC">Reach Regulation 1907/2006</a> and the key <a target="_blank" rel="noopener noreferrer" href="https://eur-lex.europa.eu/eli/reg/2021/1297/oj/eng">Amendment Regulation 2021/1297</a>, targeting the C9-C14 perfluorocarboxylic acids and related substances</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.consilium.europa.eu/en/press/press-releases/2025/04/10/soil-monitoring-law-council-reaches-deal-with-parliament/">The Soil Monitoring law</a> (provisional agreement april 2025) includes PFAS as part of the soil Health assessment</li><li><a target="_blank" rel="noopener noreferrer" href="https://environment.ec.europa.eu/topics/water/water-framework-directive_en">The Water Frame Directive </a>with EQS on surface and groundwater and considerations for sediments and biota</li></ul><h3>List of PFAS analytes and report limits for determining PFAS substances in water</h3>For the sum of PFAS, a limit of 0.1 μg/l has been set, which applies to 20 substances marked with an asterisk (*) in the text below.<h5>Group: Perfluoroalkyl carboxylic acids</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>Perfluorobutanoic acid / PFBA* / 0.01 / 0.002</li><li>Perfluoro-3-methoxypropanoic acid / PFMPA / 0.025 / 0.001</li><li>Perfluoropentanoic acid / PFPeA* / 0.01 / 0.0003</li><li>Perfluoro-4-methoxybutanoic acid / PFMBA / 0.025 / 0.001</li><li>Perfluorohexanoic acid / PFHxA* / 0.01 / 0.0003</li><li>Tetrafluoro-2-(heptafluoropropoxy) propanoic acid / HFPO-DA / 0.02 / 0.001</li><li>Perfluoroheptanoic acid / PFHpA* / 0.01 / 0.0003</li><li>4,8-dioxa-3H-perfluorononanoic acid / DONA / 0.01 / 0.002</li><li>7H-perfluoroheptanoic acid / HPFHpA / 0.01 / 0.001</li><li>Perfluorooctanoic acid / PFOA* / 0.005 / 0.0003</li><li>Perfluoro-3,7-dimethyloctanoic acid / P37DMOA / 0.01 / 0.001</li><li>Perfluorononanoic acid / PFNA* / 0.01 / 0.0003</li><li>Perfluorodecanoic acid / PFDA* / 0.01 / 0.0003</li><li>2H,2H,3H,3H-Perfluorooctanoic acid / H4PFUnDA / 0.02 / 0.0003</li><li>Perfluorooctanoic acid / PFUnDA* / 0.01 / 0.0003</li><li>Perfluorododecanoic acid / PFDoDA* / 0.01 / 0.0003</li><li>Perfluorotridecanoic acid / PFTrDA* / 0.01 / 0.0003</li><li>Perfluorotetradecanoic acid / PFTeDA / 0.025 / 0.0003</li><li>Perfluorohexadecanoic acid / PFHxDA / 0.05 / n.a.</li><li>Perfluorooctadecanoic acid / PFOcDA / 0.05 / n.a.</li></ul><h5>Group: Perfluoroalkylsulfonic acids</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>Perfluoropropanesulfonic acid / PFPrS / 0.02 / 0.001</li><li>Perfluoro(2-ethoxyethane)sulfonic acid / PFEESA / 0.1 / 0.001</li><li>Perfluorobutanesulfonic acid / PFBS* / 0.01 / 0.0003</li><li>Perfluoropentanesulfonic acid / PFPeS* / 0.01 / 0.0003</li><li>Perfluorohexanesulfonic acid / PFHxS* / 0.01 / 0.0003</li><li>Perfluoroheptanesulfonic acid / PFHpS* / 0.01 / 0.0003</li><li>Perfluorooctane sulfonic acid / PFOS* / 0.005 / 0.0003</li><li>n-Decafluoro-4-(pentafluoroethyl) cyclohexane sulfonic acid / PFECHS / 0.01 / 0.0003</li><li>Perfluorononane sulfonic acid / PFNS* / 0.01 / 0.0003</li><li>Perfluorodecane sulfonic acid / PFDS* / 0.01 / 0.0003</li><li>Perfluorooctadecane sulfonic acid / PFUnDS* / 0.01 / 0.001</li><li>Perfluorododecane sulfonic acid / PFDoDS* / 0.01 / 0.0003</li><li>Perfluorotridecane sulfonic acid / PFTrDS* / 0.02 / 0.001</li></ul><h5>Group: Fluorotelomeric sulfonates</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>4:2 fluorotelomeric sulfonate / 4:2 FTS / 0.01 / 0.0003</li><li>6:2 fluorotelomeric sulfonate / 6:2 FTS / 0.01 / 0.0003</li><li>8:2 fluorotelomeric sulfonate / 8:2 FTS / 0.01 / 0.0003</li><li>10:2 fluorotelomeric sulfonate / 10:2 FTS / 0.01 / n.a.</li></ul><h5>Group: Perfluorinated sulfonamides</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>N-methyl-perfluorooctanesulfonamide / MeFOSA / 0.05 / 0.002</li><li>N-ethyl perfluorooctane sulfonamide / EtFOSA / 0.05 / 0.002</li><li>N-methyl perfluorooctane sulfonamidoethanol / MeFOSE / 0.025 / 0.002</li><li>N-ethyl perfluorooctane sulfonamidoethanol / EtFOSE / 0.025 / 0.002</li></ul><h5>Group: Perfluorooctane sulfonamidoacetic acid derivatives</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>Perfluorooctane sulfonamidoacetic acid / FOSAA / 0.01 / 0.001</li><li>N-Methyl perfluorooctane sulfonamidoacetic acid / MeFOSAA / 0.01 / 0.001</li><li>N-Ethyl perfluorooctane sulfonamidoacetic acid / EtFOSAA / 0.01 / 0.001</li></ul><h5>Group: Fluorotelomeric carboxylic acids</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>3-Perfluoropropyl propanoic acid (3:3) / 3:3 FTCA / 0.1 / 0.0003</li><li>n-2-Perfluorohexyl ethanoic acid (6:2) / 6:2 FTCA / 0.1 / 0.001</li><li>3-Perfluoropentyl propanoic acid (5:3) / 5:3 FTCA / 0.02 / 0.001</li><li>2H-Perfluoro-2-octenoic acid (6:2) / 6:2 FTUCA / 0.02 / 0.001</li><li>3-Perfluoroheptyl propanoic acid (7:3) / 7:3 FTCA / 0.02 / 0.0003</li><li>n-2-Perfluorooctyl ethanoic acid (8:2) / 8:2 FTCA / 0.1 / 0.001</li><li>2H-Perfluoro-2-decanoic acid (8:2) / 8:2 FTUCA / 0.02 / 0.001</li></ul><h5>Group: Chlorinated perfluoroalkyl sulfonic acids</h5>Analyte / Abbreviation / Standard method (μg/l) / Low-limit method (μg/l)<ul><li>9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid / 9Cl-PF3ONS / 0.01 / 0.001</li><li>11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid / 11Cl-PF3OUdS / 0.01 / 0.002</li></ul>*Analytes included in the sum of 20 PFAS in drinking water according to DIRECTIVE (EU) 2020/2184 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 16 December 2020 on the quality of water intended for human consumption.<h4>Applications</h4><ul><li>Site investigations and remediation planning</li><li>Compliance monitoring for water utilities</li><li>Environmental due diligence for industrial sites</li><li>AFFF legacy contamination assessments</li><li>Products compliance</li></ul><h4>Why Choose Us?</h4><ul><li>Accredited laboratories with experience in regulatory, diagnostic and scientific PFAS analyses</li><li>Rapid turnaround times and customizable reporting formats</li><li>Expert support for laboratories, environmental consultants, utilities, and industrial clients</li><li>Webinars by specialists in the field</li></ul><blockquote><h5>Read more about PFAS analysis:</h5><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/enviromail_02_europe_sampling_recommendations_for_pfas_to_maximize_data_quality_26c1da00bb/enviromail_02_europe_sampling-recommendations-for-pfas-to-maximize-data-quality.pdf">EnviroMail™ 02/Europe: Sampling Recommendations for PFAS to Maximize Data Quality</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/enviromail_10_europe_pfas_forever_chemicals_in_soil_a5b49ad7dd/enviromail_10_europe_pfas_forever-chemicals-in-soil.pdf">EnviroMail™ 10/Europe: PFAS: “Forever chemicals” in soil</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/enviromail_13_europe_passive_sampling_for_the_monitoring_of_pfas_in_water_feb2024_227a69e2dc.pdf">EnviroMail™ 13/Europe: Passive sampling for the monitoring of PFAS in water</a></li></ul></blockquote>

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