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目的考察青芩滴眼液的稳定性,确定其有效期。方法采用恒温加速和常温留样法,使用高效液相色谱法测定其含量的变化,并对该制剂的色泽、PH、含量、卫生学指标进行了考察。结果常温留样考察和恒温加速实验的结果一致,在室温(25℃)条件下,青芩滴眼液的有效期为1.9年。
Objective To investigate the stability of the eye drops and determine their effective period. Methods The method of constant temperature acceleration and sample retention at room temperature was used to determine the changes of the content of the preparation. The color, pH, content and hygiene parameters of the preparation were investigated. [Results] The results of the sample retention at room temperature were consistent with the results of constant temperature accelerated experiments. At room temperature (25°C), the effective period of the eye drops was 1.9 years.