The corrosion resistance of deposits and covering power of the plating bath were tested respectively by neutral salt spray test and inner-pole method, and the hardness of deposits was also measured.
采用中性盐雾试验测定了镀层的耐蚀性，采用内孔法测定了镀液的覆盖能力，并测定了镀层的硬度。
Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
采用分光光度法测量镀锌添加剂中edta的含量，并与配位滴定法测得的同种样品中EDTA的含量接近。
Mining test in process of plating workshop shows that this method is accurate and effective in practical application.
以电镀车间生产过程为背景进行挖掘实验，表明这种方法在实际应用中的正确性和有效性。
Formula and plating parameters are optimized by Hull tub test. The appearance of deposits is tested by SEM method.
通过赫尔槽试验优选出最佳镀液配方和工艺条件，用SEM法观测了镀层形貌，并测试了镀层和镀液性能。
Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
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