尿素软膏是临床上常用药品之一,具有软化角质、止痒、抗菌等作用,主治特应性皮炎、牛皮癣、皮肤皲裂等,效果显著。本品尚无较好的含量测定方法,曾用凯氏定氮法测定其含量,但操作麻烦,误差较大。为此对其含量测定方法进行实验研究,并摸索其测定条件。 Urea ointment is one of the commonly used clinical drugs, with softening horny, itching, antibacterial and other effects, attending atopic dermatitis, psoriasis, chapped skin, the effect is significant. This product is still no better determination of content, Kjeldahl method was used to determine its content, but the operation is cumbersome, the error is larger. To this end its content determination method for experimental study, and explore the determination of the conditions.