Gas Chromatography Electron Ionization Mass Spectrometric Analysis of O-Alkyl Methylphosphinates for Verification of Chemical Weapons Convention

Author:

Pardasani Deepak1,Kanaujia Pankaj K.1,Tak Vijay1,Garg Prabhat1,Mazumder Avik1,Dubey Devendra K.1

Affiliation:

1. Vertox Laboratory, Defence Research and Development Establishment, Jhansi Road, Gwalior-474002, India

Abstract

We describe the gas chromatography/mass spectrometric (GC/MS) analysis of O-alkyl methylphosphinates (AMPs), which are included in Schedule 2B4 chemicals in the Chemical Weapons Convention (CWC). GC/MS analysis of a variety of AMPs and their deuterated analogs revealed that their fragmentations were determined by α-cleavages, McLafferty +1 and hydrogen rearrangement. Based on the obtained electron ionization mass spectra of AMPs, the fragmentation routes were rationalized, which were substantiated by the GC/MS analysis of deuterated analogs.

Publisher

SAGE Publications

Subject

Spectroscopy,Atomic and Molecular Physics, and Optics,General Medicine

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