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J Chromatogr A ; 1227: 163-73, 2012 Mar 02.
Article in English | MEDLINE | ID: mdl-22296978

ABSTRACT

We synthesized and analyzed the degradation products, piperazinium salts from bis(2-chloroethyl)methylamine (HN2) and bis(2-chloroethyl)ethylamine (HN1) using ¹H nuclear magnetic resonance (NMR) and liquid chromatography-mass spectrometry (LC-MS). Piperazinium salt is the major degradation product of HN2, not N-methyldiethanolamine above a concentration of 0.01 M in water and is a non-scheduled chemical that may be generally assumed relevant to the Chemical Weapons Convention (CWC) within the context of the Organization for the Prohibition of Chemical Weapons (OPCW) proficiency test. In verification analysis, ¹H NMR offers real-time information about degradation pathway of nitrogen mustards and LC-MS is expected to play an increasing role in the analysis of environmental samples for the degradation products of chemical warfare agents.


Subject(s)
Chromatography, Liquid/methods , Magnetic Resonance Spectroscopy/methods , Mechlorethamine/chemistry , Nitrogen Mustard Compounds/chemistry , Piperazines/chemistry , Deuterium Oxide/chemistry , Mass Spectrometry/methods
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