The concentration of fixed chloride of internal electrode solution was measured by chloride ion selecting electrode (as reference electrode).
内电极溶液中固定的氯化物浓度由一个氯离子选择电极(作为参比电极)来检测。
2
It has been a good result by using PH-electrometric titration to determine stable constant about copper sulfo salicylic acid complex ion, in comparison with reference data.
本文采用pH 电位滴定法测定磺基水杨酸铜络离子的稳定常数，得到了比较准确的结果（与文献值比较）。
3
Sulfur content in crude oil certified reference material was deterimined by oxygen bomb combustion and ion chromatography method.