FIELD: chemistry.
SUBSTANCE: to carry out complex deactivation, disinfection and detection of traces of tetranitrotoluene-based explosive substances aerosol spraying on the surface of combined indicator composition, which includes cocobenzyldimethylammonium chloride; alkyldimethylamine; alkylbenzosulphonate; glyoxal; glycerol; non-ionogenic surface-active substance (OP-7); oxalic acid; sodium tripolyphosphate; dithizone; water, is performed. Combined indicator composition is applied by irrigation of analysed surface by means of aerosol device from distance 0.1-0.2 m from it from leeward side with consumption 0.6-0.7 l/sq. m.
EFFECT: invention realisation makes it possible to carry out deactivation and disinfection after not less than 0,5 h after carrying out processing and detection of traces of tetranitrotoluene-based explosive substances by appearance of characteristic indication effect - brown colouring on object surface, 3-6 min after application of combined indicator composition, remaining for a long time.
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