Application Notes: LC-MS

PFAS Interlaboratory Study from Potable and Non-potable Water Samples

September 19, 2022

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Multiple laboratories applied method EPA 537.1 and 533 for the extraction of PFAS in pristine non-potable water and source water assessment.

Managing Cross-contamination in PFAS Sampling, Extraction, and Analysis

September 19, 2022

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PFAS experts provide insight on workflow considerations on how to manage and prevent cross-contamination to ensure quality analysis.

Improved Metabolomic Analysis Using an Iron-Free Flow Path

September 19, 2022

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In metabolomics analysis, the use of a biocompatible LC system has significant advantages over a stainless steel LC, as demonstrated in this application.

FAQ on PFAS Unregulated Contaminants Monitoring Rule (UCMR 5)

September 19, 2022

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FAQ on scope, workflow, timeline, requirements for the Fith Unregulated Contaminants Monitoring Rule (UMCR 5)

Extraction and Analysis of GenX, from Water by LC-MS/MS

September 19, 2022

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Analysis of HFPO-DA in a multi-residue method along with 24 other common PFAS

Automated Extraction of Benzodiazepines from Urine

August 17, 2022

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Benzodiazepines are depressants and used to relieve anxiety, insomnia, and more. This app note discusses a urine extraction to confirm the presence of benzodiazepines.

Application Note : VOC Metabolites in Urine by HPLC with UV Detection

July 11, 2022

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A rapid and simple LC method for the analysis of six common VOC metabolites in urine for monitoring occupational exposure to VOCs.

Determination of Mycotoxins in Food

July 11, 2022

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A fully validated method for the determination of twelve mycotoxins in various food matrices by stable isotope dilution QSight LC–MS/MS.

Fast LC–MS/MS Analysis of Amino Acids in Plasma

June 28, 2022

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A fast, direct method for LC–MS/MS analysis of amino acids in plasma was developed during the course of this study.

SPE of Cannabinoids from Blood and Urine

June 21, 2022

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