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应用紫外分光光度法测定了胃萎康冲剂中原儿茶醛的含量，其回收率为１０１．７％，变异系数为２．１５％。
The content of protocatechuic aldehyde in Weiweikang Granules was determined by UV spectrophotometry. The recovery was 101.7% and the coefficient of variation was 2.15%.