Identification of sulfur and nitrogen mustards by GC/FPD/NPD-MS

Abstract

Gas chromatography simultaneously coupled to flame photometric detector, nitrogen phosphorus detector and mass spectrometer (GC/FPD/NPD-MS) was used to identify nitrogen and sulfur mustards, their precursors and degradation products in samples of water, soil, organic solvent and a PVC floor. Extraction techniques and derivatization with BSTFA were employed during sample preparation. Fast screening of the samples was possible due the high sensibility and selectivity of FPD and NPD for sulfur and nitrogen compounds. Mass spectra of the identified chemicals presented match factors equal or bigger than 90% when compared to OPCW databases.