xanthate

名词 xanthate:

1. a salt or ester of xanthic acid

xan.thate

n.（名词）
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