| 释义 |
〔cupellation〕A refining process for nonoxidizing metals, such as silver and gold, in which a metallic mixture is oxidized at high temperatures and base metals are separated by absorption into the walls of a cupel.烤钵冶金法：一种使银和金等金属不氧化的提纯过程，在高温下金属混合物被氧化，低劣金属被分离出来并吸入烤钵的墙上〔xanthate〕A salt of a xanthic acid, especially a simple xanthic acid salt, as of sodium or potassium, used as a flotation collector for copper, silver, and gold.黄原酸盐：一种黄原酸的盐，尤指单一的黄原酸盐。如黄原酸钠或黄原酸钾，是黄原酸的化合物之一，用作铜、银和金的飘浮物集中剂 |