| 摘要 |
FIELD: anticorrosive agents. SUBSTANCE: invention relates to protection of metals against corrosion in acid media using inhibitors and can be used in etching solutions in acidic treatment of equipment. Inhibitor comprises the following components, wt.-%: M nitrobenzal p-aminophenol, 19.2-16.2; dimethylphenylnonyl ammonium iodide, 26.9-29.4; 3- hydroxypyridazone-6, 15.4-11.8; urotropin, 38.5-42.6. Inhibitor inhibits corrosion of steel, nickel and cobalt and provides significant reduction of steel hydrogen absorption. EFFECT: enhanced effectiveness and valuable properties of inhibitor. 2 tbl, 3 ex
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