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1·The coagulation-supporting effect of the pre-oxidation of sodium permanganate in the process of coagulation was studied.

研究了高锰酸钠预氧化对混凝过程的助凝作用。

2·This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.

分析了以草酸钠为基准物标定高锰酸钾标准溶液浓度的反应原理，标定操作及温度、酸度、滴定速度等滴定条件对标定结果的影响。

3·Sodium formate from waste alkali liquor was analyzed by perchloric acid nonaqueous titration instead of potassium permanganate method, which caused larger deviation.

采用高氯酸非水滴定法分析废碱液中的甲酸钠，代替了误差较大的高锰酸钾法。

4·According to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite.

通过杀藻效果、经济性以及安全性等方面的综合比较，对于以有毒蓝藻为优势藻属的引滦水，四种杀藻剂的优劣程度从优到劣排序为：高锰酸钾＞硫酸铜＞过氧化氢＞次氯酸钠；

5·This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.

本文从反应原理、制备“似不溶固体物”和装置及其操作技巧等方面进行研究，而达到实验室可控制气。