Chang Yilin, Liu Shsnbao Liu Ben, . Study on the Stability of Promethazine Hydrochloride in Xiaoerqingfeizhike Syrup[J]. Chinese Journal of Modern Applied Pharmacy, 1994, (2): 37-38.
    Citation: Chang Yilin, Liu Shsnbao Liu Ben, . Study on the Stability of Promethazine Hydrochloride in Xiaoerqingfeizhike Syrup[J]. Chinese Journal of Modern Applied Pharmacy, 1994, (2): 37-38.

    Study on the Stability of Promethazine Hydrochloride in Xiaoerqingfeizhike Syrup

    • The stability of promethazine hydrochloride in Xiaoerqingfeizhike Syrupwas studiedby the staircase nonisothermal accelerated test. Promethazine hydrochloride was determined bythe three-wavelength spectropho tometry at 238, 252, 301.5 urn. The study showed
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