It has the advantages of short time immersion, convenient operation, low production cost and high removal of impurity.
具有浸出时间短、操作方便、生产成本低、杂质去除率高等优点。
The selecting standard and impurity removal method of diamond, the geometrical figure area calculation of items to be plated, the specification and use of electroplating container were given.
给出了选用金刚石的标准及除杂方法，待镀件几何图形的面积计算，电镀容器的规格和用途。
It is found that the dispersing, impurity removal and chelating effect of citric acid help gold cyanidation.
研究结果表明，柠檬酸的分散、除杂及螯合作用有助于金的氰化浸出。
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