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牛黄蛇胆川贝液在贮存过程中易产生沉淀,经测定产生浑浊沉淀的产品pH均在4.25~5.25左右。实验证明pH调至6.0~6.5之间(用4%NaOH溶液)则不会产生浑浊沉淀。
Niuhuang Shedan Chuanbei liquid is easy to produce precipitation during the storage process, and the pH of the product resulting from the determination of turbidity precipitation is about 4.25 to 5.25. Experiments showed that the pH was adjusted to between 6.0 and 6.5 (with 4% NaOH solution), no turbid precipitate was produced.