公开(公告)号：US4142948A

公开(公告)日：1979-03-06

申请号：US881845

申请日：1978-02-27

申请人： Sakae Tajima ,  Takashi Mouri ,  Shigeyoshi Morisaki

发明人： Sakae Tajima ,  Takashi Mouri ,  Shigeyoshi Morisaki

IPC分类号： C25D3/06 ,  C25D3/10 ,  C25D3/56

CPC分类号： C25D3/06 ,  C25D3/56

摘要： Disclosed is an aqueous chromium deposition solution containing chromium in the trivalent state, from which a bright decorative chromium plate can be advantageously formed. The chromium deposition solution contains (a) a water-soluble trivalent chromium salt; (b) at least one compound selected from unsubstituted and amino- or hydroxy-substituted carboxylic acids and salts thereof; (c) a water-soluble aluminum salt, and; (d) ammonium ion.