实验首先对原料壳聚糖的物理性质进行测定：采用酸碱指示剂滴定法测定壳聚糖的脱乙酰度约为83%，应用粘度法测定其粘均分子量为十万左右。

The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.

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探讨酸碱电位双点滴定法在药物分析中的应用。

The application of acid-base potentiometric double-point titration to drug analysis is discussed.

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推导出酸碱滴定误差的计算通式并讨论了它的应用，公式具有简明、准确、快速之计算效果。

In this article inferenced the current formula of count with dispersed coefficient of acid soda titration error and discuss application of it. The formula with a concise, right, quick effect of count.

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