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药用乙醇（9％）为医院常用消毒剂之一，常将其加蒸馏水直接稀释成70～75％的浓度用于临床，由于乙醇稀释后与水分子渗透混溶需要一个过程，我院制剂室经过多次试验和观察，发现稀释后的乙酸在配制3d后浓度普遍下降2～3％，现介绍如下．方法与结论；我们使用半封闭不锈钢桶（一
Medicinal ethanol (9%) is one of the disinfectants commonly used in hospitals. It is often diluted directly into distilled water to a concentration of 70-75% for clinical use. Since ethanol is diluted and permeates with water molecules, it requires a process. Room after many tests and observations found diluted acetic acid in the preparation of the general decline in the concentration of 3d 2-3%, are described below. Methods and Conclusions; We use semi-enclosed stainless steel barrels (one