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1·The author investigated the performance of the self-made silver titration apparatus and the factors and interference elements which influenced the Chlorine recovery rate.

对自制银滴定池的使用性能，影响氯回收率的因素及干扰元素作了考察。

2·An apparatus for the photometric titration with novel design, simple construction, small size and easy operation is developed.

介绍一种设计新颖、结构简单、体积小巧和操作方便的光度滴定装置。

3·The basic theory of acid-alkali titration is dissertated in this article, which established the theory base for the researching of this apparatus.

课题论述了酸碱滴定法的基本原理，为本仪器的研究奠定了理论基础。