INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS

摘要

FIELD: metallurgy. ^ SUBSTANCE: inhibitor contains, wt % -oxynaphtal-2-amino-4-bromophenol 23.0-17.1; ethoxy-3-trichloromethyl-1,2,4-thiadiazol 19.2-26.0, cetyl dimethyl benzyl ammonium bromide 13.3-24.6; urotropine 44.5-32.3. ^ EFFECT: inhibitor reduces corrosion of steel, aluminium and zinc, and reduces hydrogenation of steel. ^ 2 tbl, 2 ex