氯仿废液的回收提纯与使用

介绍了亚甲蓝分光光度法测定水中阴离子合成洗涤剂过程中,作为萃取剂使用的氯仿废液,顺序用水、浓硫酸、纯水、0.5%盐酸羟胺等溶液洗涤、蒸馏、过滤等回收处理,重新用于测定水中阴离子合成洗涤剂,测定结果与市购氯仿所测结果无显著性差异,对环保具有重要意义.

Purification and Utilization of Waste Chloroform Liquid

The paper gives an introduction on recovery and utilization of waste chloroform liquid from determining anionic synthetic detergent in water by spectrophotometry with methylene blue through scouring with common water ,concentrated sulfuric acid,pure water,0.5%hydroxylamine hydrochloride and in sequence,distilling,filtering and so on. It is proved that there is no district difference as extractant in the result of determining anionic synthetic detergent in water between reutilization and that is newly purcha...