沉降容积比（sedimentation rate），是指沉降物的容积与沉降前混悬剂的容积之比。
方法：以混悬剂的沉降容积比，再分散性为指标，通过均匀设计法测得。
Methods:Uniform test design was used in the calamine lotion, judged the stability by sedimentation rate and separate charcacter.
用沉降容积比，颗粒大小及分布，滴定曲线，初步稳定性考察制剂的质量。
The quality of the suspension was characterized by measuring its sedimentation volume, size distribution, titration profile and stability.
结果：本品的性状，沉降容积比，再分散次数及铝的含量在实验条件下无明显改变。
RESULTS The appearance, contents of aluminum, sedimentation volume ratio, times of dispersing had no obvious changes.
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