| 摘要 |
FIELD: protection against metal corrosion; etching of metals in machine building and other industries. SUBSTANCE: corrosion inhibitor of metals in sulfuric and in hydrogen chloride acids comprises, mas.%: N-(n-oxybenzylalydene)-<EMI ID=0.224 HE=3 WI=15 TI=CHI>-methoxy-6-pyridazyl)-sulfanyl amide, 32.2-38.5; trimethylundecyl ammonium chloride, 38.4-48.4; 2-(2-oxy-4-dimethylaminobenzoyl)-4-nitrobenzoic acid, 19.4-23.1. EFFECT: increased protection of steel, titanium, nickel and cobalt against corrosion; decreased hydrogen absorption of steel. 2 tblt
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