发明名称 |
Electrodeposition of black chromium |
摘要 |
An electrolyte solution and the method of using same for electrodeposition of black chromium on a substrate, said solution comprising water, trivalent chromium ions, ions of a metal selected from the group consisting of iron and cobalt, a weak complexing agent for the trivalent chromium ions, and phosphate ions. The preferred complexing agents are hypophosphite or formate.
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申请公布号 |
US4196063(A) |
申请公布日期 |
1980.04.01 |
申请号 |
US19790031748 |
申请日期 |
1979.04.19 |
申请人 |
INTERNATIONAL LEAD ZINC RESEARCH ORGANIZATION INC |
发明人 |
BARNES, CLIVE;WARD, JOHN J B |
分类号 |
C25D7/00;C25D3/06;C25D3/08;F24J2/48;(IPC1-7):C25D3/56 |
主分类号 |
C25D7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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