Abstract
The destruction of phosphorus based chemical warfare agents using aqueous buffer mixtures of aluminum sul- fate (alum) and sodium aluminate is pursued. The production of VX (O-ethyl-S-(2-(diisopropylamino)ethyl)-methylphos- phonothiolate) hydrolysis products ethyl methyl phosphonic acid (EMPA), an aluminum complex of EMPA, and S-(2- (diisopropylamino)ethyl)methylphosphonothiolate (EA-2192) is characterized in acidic and basic alum buffers. The study employs 31 P high resolution magic angle nuclear magnetic resonance spectroscopy (HRMAS NMR) for both quantitative and qualitative analysis. The acidic buffer results in a slower reaction rate and is less effective than the basic buffer.
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