Hydrogen peroxide-based decontamination of chemical warfare agents

被引:9
|
作者
Wagner, George W. [1 ]
机构
[1] USA, Army Edgewood Chem Biol Ctr, Attn RDCB DRP F, Edgewood, MD 21010 USA
关键词
VX; GD; HD; decontamination; perhydrolysis; oxidation; surface decontamination; Decon Green (R); DEGRADATION-PRODUCTS; VX; OXIDATION; EFFLUENTS; MUSTARD; SARIN;
D O I
10.3233/MGC-2010-0028
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Chemical warfare agents (CWA) are rapidly decontaminated using a hydrogen peroxide-based decontamination solution. In the weakly-basic decontaminant (pH 8) - activated and buffered with bicarbonate, molybdate, and citrate - nerve agents such as VX and GD undergo perhydrolysis (OOH(-)) whereas the blister agent HD is catalytically oxidized, primarily, by tetraperoxomolybclate [Mo(OO)(4)(2-)] to the non-vesicant sulfoxide. The decontaminant, once mixed, exhibits remarkable stability, maintaining efficacy (pot-life) for at least 12 h. On non-sorptive, non-porous surfaces such as aluminum, the decontaminant decontaminates VX, GD, and HD to below acceptable levels (i.e., <0.078, 1.67, and 10.0 mu g/cm(2), respectively).
引用
收藏
页码:257 / 263
页数:7
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