Explosive detection kits provide on the spot results.

• Author: Williams, Robert H.
• Position: Expray and DropEx - Brief article

Want devices that ascertain the existence of TNT, RDX, chlorate and peroxide-based explosives?

Mistral Group of Bethesda, Md., is offering two test kits--Expray and DropEx--that offer rapid results. They are able to detect a wide range of explosive residues on both people and surfaces.

Expray, which uses an aerosol reagent, recognizes and identifies...