Kin-Tek Laboratories have announced the availability of dopant permeation tubes used in detection systems for trace concentrations of narcotics, explosives, chemical warfare agents and airborne molecular contaminants. Detection systems for these applications are based on ion mobility spectroscopy and used for airport and other security applications, law enforcement, immigration and border control and military and atmospheric monitoring in computer chip manufacturing operations. Several configurations and kits are available for specific applications. Typical kits for narcotics detection contain three tubes emitting ammonia vapour, supplied as a set and shipped in a metal cylinder and kits for explosives detection contain a single tube emitting dichloromethane supplied in a plastic shipping tube. Other dopants available include acetone and DMMP in special configurations and other materials are available for speciality applications.

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