Interlaboratory comparison study of a chemical profiling method for methylphosphonic dichloride, a nerve agent precursor

Karin Höjer Holmgren,Hanna Hakulinen,Rikard Norlin,Mirjam de Bruin-Hoegée, Marie Spiandore, Samantha Qi Shu See,Renee Webster, Karen L. Jacques, Lauri Mauravaara, Lee Hwi Ang,Christopher P. Evans,Simon Ovenden,Daan Noort,Grégoire Delaporte,Johan Dahlén,Carlos G. Fraga,Paula Vanninen,Crister Åstot

Forensic Chemistry（2023）

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摘要

•Attribution profiling method using GC/MS, RI and a target library was tested.•Intra- and inter-laboratory reproducibility was evaluated.•The chemical profiling method showed robustness and can be easily implemented at the OPCW designated laboratories.•The CAS profiles of two DC synthesis batches showed two distinct Euclidean Distance classes.

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关键词

Interlaboratory comparison,Chemical profiling,Gas chromatography mass spectrometry,Chemical warfare agents

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