stoichiometric point

Comparing with conventional method of violet spectrum, the method of potentiometric titration of lead tetraacetate has many advantages such as stable potentiometric value, exact and credible results, clear potentiometric abrupt change in stoichiometric point and simple operation.

与传统的紫外光谱法相比，应用四乙酸铅电位滴定法测定汽油中硫醚硫的含量，具有化学计量点处电位突跃明显、电位值稳定、操作简单、结果准确可靠的特点。

The paper puts forward that by using proton balance equation of stoichiometric point, simple and easy derive formula of acid-base titration error for the all circumstances can be leaded.

提出利用化学计量点的质子条件式，可以简易导出各种情况下的酸碱滴定误差公式。

In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems. This article means to study these problems.

在混合弱酸滴定中，化学计量点时PH值计算、终点误差计算，分步滴定判据是三个必须明确的问题，本文对混合弱酸滴定的这三个问题作一探讨。

Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.

用容量法进行分析时，需要使用一些指示化学当量终点的方法。

This article means to study the universal formula to calculate potential of stoichiometric point in redox titration and the application of this universal formula was discussed.

本文推导了一个普通适用于各类氧化还原滴定化学计量点电位通用计算式，并对该通用计算式的应用进行了讨论。