Activated pyrophyllite obtained from pyrophyllite treated with a silane coupling reagent has a simple chemical composition, stable structure, fine grainsize and narrow range of grainsize distribution.
用硅烷偶联剂处理，所得到的活性叶蜡石化学组成简单、结构稳定、粒度细及其分布范围窄。
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This paper briefly introduces the preparation technique of liquid membrane, and the distribution over extraction reagent of liquid-liquid extraction.