影响耵聍液澄明度的原因分析曾荣仕吴雪梅金宝兰（广东医学院附属医院湛江５２４００１）耵聍液，即碳酸氢钠滴耳液。我院以往该制剂质量一直比较稳定，但近期几批于室温阴凉处保存，３ｄ内均出现混浊，瓶壁上有颗粒状结晶析出；一周后，沿瓶壁出现大量片状结晶。对此我们... Analysis of the causes of the clarity of the emu liquid Ceng Rongshi Wu Xuemei Jin Baolan (Guangdong Medical College Hospital Zhanjiang 524001) Emu liquid, that is, sodium bicarbonate ear drops. In the past, the quality of the preparation in our hospital has been relatively stable. However, recent batches of the preparations were stored in a cool place at room temperature. Both of them appeared turbidity in 3d and precipitated as granular crystals on the wall of the bottle. A week later, a large amount of flaky crystals appeared along the wall of the bottle. For this we ...