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发明名称
有机酸铬(III)水溶液及其制造方法
摘要
本发明揭示一种有机酸铬(Ⅲ)水溶液,其系以通式Crm(Ax)n(式中,A系表示由有机酸去除质子之残基,x系表示A的电荷,m及n系分别表示满足3m+xn=0之整数。)表示者。水溶液中的有机酸铬( Ⅲ)之浓度以Crm(Ax)n为6重量%以上。且,杂质离子之浓度以Crm(Ax)n 20重量%换算Na≦30ppm、Fe≦20ppm、Cl≦0.001%、SO4≦0.03%、NO3≦ 20ppm。再者,大体上不含各(Ⅵ)。
申请公布号
TW200804404
申请公布日期
2008.01.16
申请号
TW096118180
申请日期
2007.05.22
申请人
化学工业股份有限公司
发明人
番田知宏;小池章吾;原孝志
分类号
C07F11/00(2006.01);C07C51/41(2006.01)
主分类号
C07F11/00(2006.01)
代理机构
代理人
洪澄文
主权项
地址
日本
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