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本文首先采用 USP 规定的方法,即转篮法溶出速率测定仪测定扑尔敏骨架片的溶出,研究扑尔敏从五种不同粘度规定的羟丙基甲基纤维素(HPMC)制备的片剂中的溶出情况。根据药物溶出50%所需的时间(T50%)可以发现高粘度规格的 HPMC 制备的片剂,其药物的溶出要慢得多。本文考察了37℃时阴离子表面活性剂,十二烷基磺酸钠(SLS)对2%HPMC 溶液粘度的
In this paper, first, the dissolution rate of chlorpheniramine matrix tablets was determined by the method prescribed by the USP, ie, the spin-off dissolution rate meter. The effects of chlorpheniramine tablets from five different viscosity-regulated hydroxypropyl methylcellulose (HPMC) In the dissolution of the situation. According to the time required for 50% dissolution (T50%) of the drug, tablets prepared from high viscosity HPMC were found to dissolve much less slowly. This article examines the 37 ℃ anionic surfactant, sodium dodecyl sulfate (SLS) solution of 2% HPMC viscosity