FIELD: chemistry.
SUBSTANCE: working medium, containing lithium bromide, lithium molybdate and lithium hydroxide, further contains an inhibiting additive in form of lithium silicate, benzotriazole and a surfactant, with the following ratio of components, wt %: lithium bromide 40-65; lithium molybdate 0.02-0.03; lithium hydroxide 0.05-0.10; lithium silicate 0.001-0.002; benzotriazole 0.5-0.65; 2-ethyl-1-hexanol 0.04-0.06; water - the balance.
EFFECT: use of the invention enables to reduce corrosive activity of the working medium on carbon and copper alloys in all phases of the working medium.
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