FIELD: chemistry.
SUBSTANCE: inhibitor contains nucleophilic compound and aminotriazole or its derivative. As nucleophilic compound applied is halogenide of alkali metal, or rhodanide of alkali metal, or sulphide of alkali metal, or urotropin, or hexamethylendiamine, or monoethanolamine, or thiourea, or its derivative with the following component ratio, wt %: nucleophilic compound 2-90; amidotriazole or its derivative 10-98.
EFFECT: effective reduction of rate of acid metal corrosion at higher temperatures.
3 cl, 6 tbl, 3 ex
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