Abstract
Abstract A chemical kit for field determination of traces of explosives on hands of suspects is described. The system involves three components: dry sampling devices (‘‘detection buttons''), and two tubes of chemical reagents. It detects virtually all the common military explosives, and there is also an option to detect home-made explosives based on inorganic fertilizers. Detection is based on two well known chemical reactions for which optimal conditions have been developed. In stage I polynitro aromatics are detected by the formation of colored Meisenheimer complexes. In stage II organic nitrates and nitramines are consequently detected by modified Griess test.
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