Abstract
Modified titania nanotubes have been studied as powder decontaminants against sulphur mustard (HD), a deadliest chemical warfare agent. Decontamination reactions were carried out at room temperature (30 ± 2 °C) and monitored by gas chromatography and gas chromatography mass spectrometry techniques. Reactions displayed first order kinetics. HD underwent accelerated hydrolysis on Ag +-titania nanotubes when compared to Cu 2+, Ni 2+, Co 2+, Mn 2+ and Ru 3+-titania nanotubes depicting catalysis. Thiodiglycol, 1,4-oxathiane were observed to be major products formed except on Ru 3+-titania nanotubes. Sulphur mustard sulphoxide formed on Ru 3+-titania nanotubes indicating oxidative decontamination of HD.
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