Results: The HPLC method is accurate, quick and simple. The extraction-titration method has defects.
结果：建立的HPLC含量测定方法准确、快速、简便，而提取-滴定法测定其含量存在一定问题。
Oscillographic titration is a new method for end point indication.
示波滴定是判断滴定终点的一种新方法。
Titration analysis method was set up for DCA13; the error was less than 1.5%.
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％。
This article introduced a new method to determine free SO_2 in red wine—photometric titration.
介绍了一种测定红葡萄酒中游离SO_2的新方法—光度滴定法。
This article introduced a new method to determine free SO_2 in red wine—photometric titration.
介绍了一种测定红葡萄酒中游离SO_2的新方法—光度滴定法。
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