| 焦化废水中化学耗氧量测定方法的改进 |
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| 引用本文： | 王治文.焦化废水中化学耗氧量测定方法的改进[J].贵州化工,2004,29(3):21-22. |
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| 作者姓名： | 王治文 |
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| 作者单位： | 贵阳煤气气源厂,贵州,清镇,551402 |
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| 摘 要： | 废水中化学耗氧量的测定，国标用重铬酸钾法，该方法不仅酸介质用量大，而且需2h加热。应用改进后方法，只需20mim，在少量酸介质的条件下，即可测定，既节约试剂又节约时间。
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| 关 键 词： | 化学耗氧量 重铬酸钾法 改进 测定 |
| 文章编号： | 1008-9411(2004)03-0021-02 |
| 修稿时间： | 2004年4月15日 |
Improvement on the Determination of COD in the Coking Wastewater |
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| Wang Wenzhi.Improvement on the Determination of COD in the Coking Wastewater[J].Guizhou Chemical Industry,2004,29(3):21-22. |
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| Authors: | Wang Wenzhi |
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| Abstract: | The comparison was made between two measuring method of COD for coking wastewater.the improved method had advantages of fewer quantity of acid,less heating time and low cost over the potassium dichromate method of national standard. |
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| Keywords: | Chemical oxygen consumption(COD) potassium dichromate method improvement determination |
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