| 用重铬酸钾法测定工业废水中CODCr影响因素的探讨 |
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| 引用本文： | 周欣.用重铬酸钾法测定工业废水中CODCr影响因素的探讨[J].化学工程师,2007(9):17-18. |
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| 作者姓名： | 周欣 |
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| 作者单位： | 黑化集团有限公司,黑龙江,齐齐哈尔,161041 |
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| 摘 要： | 本文介绍了用重铬酸钾法测定工业废水中COD,根据测定步骤对测定过程中的影响因素进行了详细的讨论,其影响因素主要为氧化剂的浓度、反应液的酸度、试剂的加入顺序、反应的时间和温度等,并根据这些影响因素采取了行之有效的操作质量控制方法,收到了很好的效果,使所测定的数据更加准确。
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| 关 键 词： | 重铬酸钾法 化学需氧量 影响因素 |
| 文章编号： | 1002-1124（2007）09-0017-02 |
| 修稿时间： | 2007-07-20 |
Discussion of influencing factors on CODCr determination in industrial waste drainage by potassium dichromate |
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| ZHOU Xin.Discussion of influencing factors on CODCr determination in industrial waste drainage by potassium dichromate[J].Chemical Engineer,2007(9):17-18. |
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| Authors: | ZHOU Xin |
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| Affiliation: | Heihua Group Co. , Ltd. , Qiqihar 161041, China |
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| Abstract: | The CODCr in industrial waste drainage was determined by potassium dichromate.Efficient operating methods were adopted to some influencing factors which were discussed detailedly such as oxidant concentration,liquid acidity,adding order of liquid,reaction time and temperature.Good results were received and the determination data were more accurate. |
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| Keywords: | potassium dichromate COD influencing factors |
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