North American Chemical Residue Workshop (NACRW)

Articles

Scientists at NACRW discussed using CE–MS to analyze highly polar agrochemicals.

Using Mass Spectrometry for Residue Applications

During the North American Chemical Residue Workshop, scientists discussed predicting liquid chromatographic retention times to identify contaminants.

Predicting LC Retention Times to Improve HRMS

Events

During a presentation at the North America Chemical Residue Workshop, scientists described a method for pesticide analysis using liquid chromatography-tandem mass spectrometry and gas chromatography-tandem mass spectrometry. 

Pesticide Analysis in Botanicals and Essential Oils

Patrick Lavery is an Editor for the MJH Life Sciences brands LCGC and Spectroscopy, and their respective websites, 

. He previously spent nearly a decade as a news anchor, reporter, and producer at New Jersey 101.5 FM.

In a presentation at NACRW 2023, Yelena Sapozhnikova of the U.S. Department of Agriculture (USDA) explained that even though levels of per- and polyfluoroalkyl substances (PFAS) were found in everything from tomato packaging to cake paper in global samples, values were below the European Food Safety Authority (EFSA)’s maximum tolerable weekly intake (TWI).

Separation Techniques for PFAS Quantitation and Dietary Intake from Food Packaging

Bjorn Berendsen of Wageningen University & Research said at NACRW 2023 that among more than 6,000 suspected per- and polyfluoroalkyl substances (PFAS), detailed information is known about relatively few.

New European PFAS Thresholds Put Focus on Analysis of ‘Unknown’ Chemicals

Caroline Hroncich is the associate editorial director for LCGC and Spectroscopy. She can be reached via email at chroncich@mjhlifesciences.com. 

Scientists studied the device for QuEChERSER sample preparation and both GC-MS/MS and LC-MS/MS analysis of pesticides in grapes, watermelon, and green beans.

Cryo-Blade Device Used to Analyze Contamination of Food Samples

During a session at the North American Chemical Residue Workshop, researchers discussed a method for detecting small amounts of pesticides in infant food. 

North American Chemical Residue Workshop (NACRW) | Conferences