Modified titania nanotubes for decontamination of sulphur mustard.
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 degrees 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.
Prasad
G K
GK
Defense Research and Development Establishment, Jhansi Road, Gwalior, India. gkprasad@lycos.com
Singh
Beer
B
Ganesan
K
K
Batra
Anirudh
A
Kumeria
Tushar
T
Gutch
P K
PK
Vijayaraghavan
R
R
D003666:Decontamination / Q000379:methods*; D008401:Gas Chromatography-Mass Spectrometry; D006573:Heterocyclic Compounds, 1-Ring; D006868:Hydrolysis; D007700:Kinetics; D009151:Mustard Gas / Q000737:chemistry*; D043942:Nanotubes / Q000737:chemistry*; D013438:Sulfhydryl Compounds; D014025:Titanium / Q000737:chemistry*
D006573:Heterocyclic Compounds, 1-Ring; D013438:Sulfhydryl Compounds; C517814:oxathiane; C009495:titanium dioxide; C047519:2,2'-thiodiethanol; D014025:Titanium; D009151:Mustard Gas