1·Using chlorhydric acid and inhibitor is a simple and easy way to clear the basic dirt in flash evaporation recovery package.
用盐酸加缓蚀剂来清除扩容蒸发烧碱回收装置中的碱垢，是一种简单易行的方法。
2·Double-tracer technique was used to determine chlorhydric acid and phosphorous acid in the recovered solution of glycine, N-(canboxymethyl)-N-(phosphoromethyl).
介绍用碱标准溶液直接测定双甘膦生产中回收混合溶液中盐酸与亚磷酸含量的双指示剂法。