Abstract
In this work, the new capillary zone electrophoresis method is used for the determination of the content of gallic acid in jianmin throat tablet. Under the 20 mmol/L borate (pH=9.44), valid separation of gallic acid is obtained in jianmin throat tablet and the content of gallic acid is 0.7096 mg/g (RSD=5.4%) (n=5). The average recovery of gallic acid is 112.4% (RSD=8.4%)(n=4). The method is simple and rapid.
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