钙黄绿素作指示剂、EDTA容量法测定镍时滴定终点的选择

The Choice Which is Using Calcein as Indicator Measuring Nickel by the Method of EDTA Capacity About the End Point of Titration

根据荧光类指示剂钙黄绿素的特点，通过对影响滴定终点判断的各因素的分析，确定合理的终点判别方法，可显著提高分析数据的可靠性。

Acoording to the characteristics of Calcein which is fluorescent indicator,by analysing the affect to the end point of titration,determine a reasonable way to judge the end point. It can significantly improve the reliability of analytical data and easy to grasp the analysis method quickly.