▎ 摘 要
NOVELTY - Use: to determine concentration of substances in gases. Substance of invention consists in fact that as an active element of electrodes of gas analysers graphene material is used, consisting of fibres formed by free graphene, not connected with physical substrate from any other material. USE - Chemistry. ADVANTAGE - Technical result is enabling creation of a universal gas analyser for monitoring low content of impurities of different gases. 1 cl, 2 dwg, 3 tbl