发明公开
- 专利标题: Process for making rhodium-plated article with black color
- 专利标题(中): 用黑色制作铑制品的方法
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申请号: EP85111660申请日: 1981-09-22
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公开(公告)号: EP0171091A3公开(公告)日: 1986-08-20
- 发明人: Kinase, Takashi , Ichimura, Seiji , Mashiko, Masayoshi , Kinjo, Yoshio , Matsumoto, Yosuke , Suzuki, Keijiro
- 申请人: NIPPON MINING COMPANY LIMITED , NIPPON METAL PLATING CO., LTD
- 专利权人: NIPPON MINING COMPANY LIMITED,NIPPON METAL PLATING CO., LTD
- 当前专利权人: NIPPON MINING COMPANY LIMITED,NIPPON METAL PLATING CO., LTD
- 优先权: JP4552281 19810330
- 主分类号: C25D03/52
- IPC分类号: C25D03/52 ; C25D11/34 ; C25D05/48
摘要:
A process for improving the wear resistance and enhancing the black color of a black or blue rhodium-plated article is disclosed. In this process the rhodium-plated article is subject to anodic electrolysis, said electrolysis being carried out in a bath comprising one or more selected ingredients with a direct current of a current density of 0.004 to 20 A/dm 2 and a bath temperature of 20 to 60°C for 3 to 60 minutes.
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