LC-MS

Articles

A novel liquid chromatography–tandem mass spectrometry (LC–MS/MS) method with a dual electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) source was developed for analyzing 102 pesticides and five mycotoxins that are regulated by the state of Colorado in hemp.

Study: Tandem Mass Spectrometry Method for Analysis of 102 Pesticides and Five Mycotoxins Regulated by the State of Colorado in Dried Hemp

A systematic literature review to identify and compare analytical methods used for the determination of cannabinoids in different matrices using LC-based systems.

Analytical Techniques Used for Analysis of Cannabinoids

Patricia Atkins is a Senior Applications Scientist with SPEX CertiPrep and a member of both the AOAC and ASTM committees for cannabis.

A deeper look into the chemistry, physics, and methodology of HPLC methods.

Looking with Light: Breaking Down Liquid Chromatography Method Development

From simple separations to detailed wavelength analysis, we examine the important concepts and techniques needed to make liquid chromatography work its best in the laboratory.

Looking with Light: Understanding the Principles of Analytical Liquid Chromatography

A rapid LC–MS/MS method is presented for the quantitative analysis of 16 cannabinoids in hemp samples with a single dilution protocol.

Rapid Analysis of 16 Major and Minor Cannabinoids in Hemp Using LC–MS/MS with a Single Sample Dilution and Injection

is a Senior Scientist at Agilent Technologies and a Visiting Professor at The Johns Hopkins University School of Medicine in Baltimore, Maryland.

A study using LC-qTOF, GCqTOF, and GC–MS/MS to evaluate the selectivity of a model pesticide commonly found in regulatory target lists.

Up in Smoke: The Naked Truth for LC–MS/MS and GC–MS/MS Technologies for the Analysis of Certain Pesticides in Cannabis Flower

Better, accurate and more reliable analytical testing is needed in the industry. The author discusses one such method that goes well beyond the current contaminant testing done today in most laboratories.

High-Resolution Tandem MS Applications in Cannabis Product Development

Some hemp-based products are mislabeled regarding their level of CBD. The authors explain why and how that happens.

Analysis of Veterinary Hemp-Based Oils for Product Integrity by LC/MS

How two different LC–MS/MS methods with ESI and APCI were used for low-level analysis of 72 pesticides