| 摘要 |
FIELD: metal working industry, more particularly protection of metals from acid corrosion. SUBSTANCE: corrosion inhibitor in hydrochloric and sulfuric acids comprises, wt. -%: N-(3-oxy-4- methoxybenzalidene-<EMI ID=0.298 HE=3 WI=3 TI=CHI>-(3-nitro-6-pyridyl)sulfanylamide, 15.1-24.0; -6-butyl-N-methylquinolinium iodide, 32.9-36.0; 5-oxytetrazol, 12.0-16.4; and urotropin, 28.0-35.6. EFFECT: greater degree of protection from corrosion of steel, titanium, zinc brass in hydrochloric and sulfuric acids and reduced hydrogen absorption. 2 tblg
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