Application Notes: LC-MS

Non-Derivatization LC–MS/MS Method for Determination of Amino Acids in Infant and Adult Nutritional Formulas Following AOAC Requirements

May 17, 2022

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This application note covers a non-derivatization LC–MS/MS method for determining total proteinogenic amino acids and taurine amounts in infant/adult milk formulas.

Fast Quantitative Analysis of Aminoglycoside Antibiotic Residues in Meat, Eggs, and Milk with Identity Confirmation Using MRM Spectrum Mode

May 17, 2022

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This application note covers the use of a method package to assess the safety level of several meat samples, eggs, and milk.

Analysis of Common Preservatives in Personal Care Products by HPLC with UV Detection v2

May 13, 2022

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In this application note, an HPLC with MWD detection method is detailed to detect parabens in cosmetic and personal care products.

Fast Screening 44 Illicit Drugs by UHPLC–MS/MS v3

May 13, 2022

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This application note will describe a rapid LC–MS/MS method for the separation and detection of 44 drug of abuse compounds in urine samples.

Rapid LC–MS/MS Method for Analysis of Vitamin E Acetate in Cannabis Vape Samples

May 13, 2022

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Method for complete, accurate quantification of vitamin E acetate by LC–MS/MS in less than three min, utilizing a PerkinElmer QSight® 420 triple quadrupole system

Determination of Mycotoxins in Cereals by LC–MS/MS with Online SPE

May 13, 2022

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Effective, robust online SPE sample loading and chromatographic separation/quantitation of mycotoxins, using QSight SP50 online SPE system with a QSight 210 MS/MS detector.

A Fast, Simple, and Green Chemistry Method for the Analysis of Additives in Diet Soft Drinks by HPLC v1

May 13, 2022

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This application note demonstrates a simple, fast, and robust green chemistry method for the accurate quantitation of six additives in diet soft drinks.

Determination of Volatile Organic Compound (VOC) Metabolites in Urine by HPLC with UV Detection

May 13, 2022

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Rapid, simple LC method for the analysis of six common VOC metabolites in urine for monitoring occupational exposure to the VOCs styrene, toluene, xylene, and ethylbenzene.

Novel ESI and APCI LC–MS/MS Analytical Method for Testing Cannabis and Hemp Concentrate Sample Types

May 13, 2022

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In this work, an LC–MS/MS method is presented for the analysis of 66 pesticides and five mycotoxins in cannabis and hemp concentrate.

Analysis of PFAS in Drinking Water with EPA Method 537.1 Using QSight UHPLC–MS/MS v2

May 13, 2022

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This validation study demonstrates the use of the QSight® tandem quadrupole mass spectrometer (LC–MS/MS) for the application of PFAS EPA Method 537.1 in drinking water.