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Some technical innovations inspired from practice Part Ⅵ——Control of trivalent chromium in chromium plating bath
Author(s): 
Pages: 59-60
Year: Issue:  4
Journal: ELECTROPLATING & FINISHING

Keyword:  镀铬三价铬控制;
Abstract: 不同镀铬工艺所允许的三价铬含量上限各不相同,过多均有害.采用传统的小阴极大阳极电解法,费时费料费电.实践发现,采用含锡量为20%左右的铅锡阳极时,三价铬含量有不断下降的趋势.三价铬含量偏低时,根据计算加入适量草酸即可很方便地将其控制在最佳范围内.
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