Method Applied the MKJ air disinfecting machine and methanal plus potassium permanganate Fumigating to disinfect the air in emergency room, and then compared the disinfecting effect among them.

方法在急诊治疗室应用MKJ除菌消毒空气洁净器和甲醛加高锰酸钾熏蒸法对空气消毒效果进行比较。

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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。

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Using potassium permanganate method the total amount of chrome in boiled water heated by speedy heater was determined.

用酸性高锰酸钾氧化法对用“热得快”烧的开水进行了总铬的测定。

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