Process and test kit for the detection of explosives

摘要

The invention provides a multi-reagent test kit for the presumptive identification of traces of explosives and/or discriminating between "innocent" material and explosive containing a first reagent comprising about 2.5 to 20% V/V of a tetra alkyl ammonium or phosphonium hydroxide in a solvent comprising at least 60% V/V dimethylsulfoxide and about 0 to 30% V/V methanol or water and a second reagent comprising a diazotization compound and a coupling compound of a Griess reagent pair.