通过对比，确定了酸碱沉淀法提取DCA13，并用滴定法测定DCA13的分析方法，其相对误差小于1.5％。

Titration analysis method was set up for DCA13; the error was less than 1.5%.

youdao

通过对比，确定了酸碱沉淀法提取DCA13，并用滴定法测定DCA13的分析方法，其相对误差小于1.5％。

Titration analysis method was set up for DCA13; the error was less than 1.5%.

youdao