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公开(公告)号:US4142917A
公开(公告)日:1979-03-06
申请号:US836813
申请日:1977-09-26
申请人: Kuniji Yashiro , Shigeki Saida , Yoshihide Sano
发明人: Kuniji Yashiro , Shigeki Saida , Yoshihide Sano
CPC分类号: C23C22/16 , C23C22/362
摘要: An improved process for forming a zinc phosphate coating on a zinc surface comprises contacting the surface with an aqueous nitrate and ammonia-free solution containing zinc, phosphate, nickel or cobalt, and hydrogen peroxide.
摘要翻译: 在锌表面上形成磷酸锌涂层的改进方法包括使表面与含有锌,磷酸盐,镍或钴和过氧化氢的硝酸盐和无氨水溶液接触。