Concentration of boric acid in bright sulfate zinc plating bath was determined referring to the same method for chloride type zinc plating bath.

将氯化物镀锌液中硼酸的测定方法用于测量光亮硫酸盐镀锌液中硼酸的含量。

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With this method the concentration of DE in zinc plating bath of zincate can be satisfactorily determined. This method, in principle, is applicable tod…

微分电容法能满意地测定锌酸盐镀锌液中DE 的浓度，而且在原则上可用于测定其它环氧-胺聚合物的浓度。

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Zinc and cobalt content in zinc cobalt alloy plating bath should be maintained in a suitable range so that corrosion resistant zinc cobalt alloy deposit can be obtained.

为获得耐蚀性良好的锌钴合金镀层，必须维持镀液中的锌钴含量在工艺范围内。

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