FIELD: technological processes.
SUBSTANCE: invention relates to methods of gas chromatography and can be used in defense equipment. Core: determined are tetranitromethane and nitroform in the environment of concentrated nitric acid by gas-liquid chromatography. Herewith the nitric acid is preliminary decomposed in an evaporator into water and nitrogen dioxide, and the organic selective liquid used is silicone oil applied on an inert carrier - diatomite brick.
EFFECT: faster and simplified analysis.
1 cl, 1 dwg
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