硫酸庆大霉素具引湿性,其纯度、稳定性、理化性质等均与含水量的多少密切相关。为了控制水分含量,中国药典的含水量测定方法为干燥失重。在105℃的条件下干燥至恒重。在干烤过程中,温度、恒重时间、放置时间对供试品有影响,从而不能充分地反映出该品种的含水量。因此,特进行了 Gentamycin sulfate with wet, its purity, stability, physical and chemical properties are closely related with the amount of water content. In order to control the moisture content, the Chinese Pharmacopoeia moisture content determination method for dry weight loss. Dry to constant weight at 105 ° C. In the process of dry roasting, the temperature, constant weight time, and placement time have an impact on the test sample, so that the moisture content of the sample can not be fully reflected. Therefore, special carried out