| 酸性高锰酸盐指数的准确测定及影响因素探讨 |
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| 引用本文： | 张云.酸性高锰酸盐指数的准确测定及影响因素探讨[J].地下水,2010,32(1):111-112. |
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| 作者姓名： | 张云 |
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| 作者单位： | 江苏省水文水资源勘测局南通分局,江苏,南通,226006 |
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| 摘 要： | 采用酸性法对水质中高锰酸盐指数进行了测定，分析了影响其准确测定的因素，探讨了反应体系酸碱度、高锰酸钾标准溶液浓度、加热反应时间、滴定温度及滴定时间对酸性高锰酸盐指数准确测定的影响。实验表明：当反应体系的pH值小于2．0、高锰酸钾标准溶液浓度在0．0100mol／L左右、加热反应时间为30min、滴定温度保持在70℃～80℃、滴定操作时间控制在2min内时，酸性高锰酸盐指数测定的准确性较高。
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| 关 键 词： | 酸性高锰酸盐指数 测定 影响因素 探讨 |
Exploration on the Influence Factors of Determination in Potassium Permanganate Index |
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| ZHANG Yun.Exploration on the Influence Factors of Determination in Potassium Permanganate Index[J].Groundwater,2010,32(1):111-112. |
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| Authors: | ZHANG Yun |
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| Institution: | Nantong Branch Office;Jiangsu Hydrometry and Water Resources Reconnaissance Bureau;Nantong 226006;Jiangsu |
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| Abstract: | Potassium Permanganate Index of the water was determinate by the acidity method.The article analyzes the factors influenced while is required to mensurate actually and discusses PH,concentration of potassium permanganate standard solution,heating time,titration temperature,and titration time which influenced the accurate determination of Potassium Permanganate Index.The results indicated that the optimized determination conditions were PH.value less than 2.0,concentration of potassium permanganate standard ... |
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| Keywords: | Potassium Permanganate Index Determination Results Influence and Study |
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