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我们试制成功了捕收剂Minerec-B。这种药剂的主要成分为丁基黄原酸甲酸乙酯。它由氯甲酸乙酯同丁基黄原酸钾(或钠)反应而成。所用的氯甲酸乙酯是光气通入乙醇中、在5℃条件下反应而得。
We trial-produced collector Minerec-B. The main ingredient of this agent is butyl xanthogenate. It is formed by the reaction of ethyl chloroformate with potassium xanthogenate (or sodium). Ethyl chloroformate used is the phosgene into ethanol, the reaction at 5 ℃ derived.