FIELD: galvanostegy. SUBSTANCE: electrolyte for depositing copper coating of steel without use of intermediate sublayer, which can be used in mechanical and instrumentation engineering contains 80-90 g cupric sulfate, 220-250 g ammonium oxalate, 10-4-10-5 mole/l 1-butoxy-3-morpholino-2- propanol or 10-4-10-5 mole/l 3-morpholino-1- butylthio-2-propanol, and water to 1 l. EFFECT: obtained nonporous copper precipitate with high current-based yield and minimum hydrogenation of steel substrate. 2 tbl, 3 ex
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