PROBLEM TO BE SOLVED: To provide aurate free from cyanogen that is useful as a gold supply source for electroless and electrolytic plating liquid.;SOLUTION: A cyanogen-free aurate for gold plating is represented by the following general formula (1) (where M is NH4, Na, or K; x≥0, y≥0, a≥0, b≥0, x+y+a+b-1≥1).;COPYRIGHT: (C)2016,JPO&INPIT
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机译：解决的问题：提供无氰的金酸盐，可用作无电镀液和电解电镀液的金供应源。;解决方案：无金的氰化物的金酸盐由以下通式（1）表示（其中M是NH 4 ，Na或K;x≥0，y≥0，a≥0，b≥0，x + y + a +b-1≥1）。版权所有：（C ）2016，JPO＆INPIT
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