Preparation of cupric sulfate from waste electric component lead is introduced.

提出了回收电子元件废引线并以此为原料制取硫酸铜的方法.

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A hard problern is free from impurity iron in tbe preparation of cupric sulfate from spongy - copper.

用海绵铜生产硫酸铜,其困难在于除铁杂质.

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Electroless nickel copper phosphorus ternary alloy deposits were prepared by addition of cupric sulfate in nickelbath.

在化学镀镍-磷合金液中加入硫酸铜制得镍-铜-磷三元合金.

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