| 摘要 |
A brassing electrolyte contains sulfurous copper, sulfurous zinc, sodium pyrophosphate and water. It additionally contains two-substituted phosphate ammonium, sulfurous cobalt and non-saturated polyfunctional organic compound withformula RCH(RR)COOH, where R-CH-, COOH-or CONH-groups, and Rand R- NH- and OH-groups. |
