等当点

本文讨论了水样中总碱度含量与滴定等当点的变化关系和甲基橙在不同pH值下颜色的变化情况。

A discussion is given of the relation between the alkalinity and titration equivalence point , and of the color change of the methyl orange indicator with different pH values .

我们在实验中发现：第一等当点与第二等当点之间的滴定点有较高的准确度。

According to the experiments , it is found that the titration points between the first equivalence point and the second are more accurate .

线性滴定法测定混合酸（HAⅠ+HAⅡ）或多元酸的等当点时，必须正确地选择滴定点，这是提高线性滴定法准确度的重要措施之一。

The titration points must be selected exactly as the equivalence points of mixed acid ( HA ⅰ + HA ⅱ) or polyprotonic acid are determined by linear titrimetry , which is one of the important steps to raise the accuracy of linear titrimetry .

线性作图法测定多元酸的二元混合体系的等当点

Linear graphic determination for equivalence points of two polyprotic acids in a mixture

确定酸碱滴定等当点的新计算法

A New Method for the Calculation of Equivalent Volume in Acid - Base Titration

如果我们把心态平衡于等当点，一切就会迎刃而解！

Things will work out if we try to keep our attitude at the equilibrium point !

为提高准确度，采用多点法，从图上可得到两种酸的等当点体积。

We used more titration points in order to raise accuracy , We may get equivalence volumes of two polyprotic acids from graph .

电子计算机在容量分析上应用二、用线性作图法测定酸碱滴定等当点

The Application of the Computer to Volumetric Analyses ⅱ . A Linear Graphic Method for the Determination of the Equivalence Points of Acid-Base Titrations

应用自动电位滴定仪的等量等当点滴定法，测定苹果、葡萄、草莓三类水果样品的可滴定酸。

The determination of titratable acidity in apple , grape , strawberry was conducted by monotonic titration ( MET ) using automatic potentiometric titrator .

本文提出了用高灵敏度的Tb~（3+）-Tiron荧光络合物指示等当点，络合滴定痕量锕系元素的可能性。

In this paper , the possibility of complexometric titration of microgram amounts of actinide using highly sensitive Tb3 + - Tiron fluorescence complex to judge the equivalence point is put forward .

磺胺药物传感电极可用于磺胺药物的电位滴定，用硫酸为滴定剂，等当点处电位突跃明显，最大误差0.7%。

Sulpha-drug sensitive electrodes have been suggested for the potentiometric titration of sulpha-drugs using a standard sulphuric acid solution as titrant with distinct potential jump at the equivalence point and a maximum error of 0.7 % .