| 化学需氧量（COD）测定过程中常见问题探析 |
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| 引用本文： | 方成圆,胥吉萍,李佳,刘金涛,余雅婷.化学需氧量（COD）测定过程中常见问题探析[J].科技咨询导报,2014(22):215-216. |
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| 作者姓名： | 方成圆 胥吉萍 李佳 刘金涛 余雅婷 |
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| 作者单位： | 1. 沈阳化工大学 辽宁沈阳 110142
2. 大连理工大学化工与环境生命学部 辽宁大连 116024 |
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| 摘 要： | 该文简述了各类COD测定方法,并分析了影响COD测定结果的各种内外部影响因素,其中氯离子对COD的测定结果影响最大,操作者严格执行操作规程的程度也在一定程度上影响其结果,同时给出了提高测定结果准确度的方法。
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| 关 键 词： | 化学需氧量(COD) 铬法 锰法 氧化剂 还原性物质 |
Exploration and Analysis of Common Problems in the Process of Measuring Chemical Oxygen Demand (COD) |
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| FANG Cheng yuan,XU Ji ping,Li Jia,LIU Jintao,YU Yating.Exploration and Analysis of Common Problems in the Process of Measuring Chemical Oxygen Demand (COD)[J].Science and Technology Consulting Herald,2014(22):215-216. |
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| Authors: | FANG Cheng yuan XU Ji ping Li Jia LIU Jintao YU Yating |
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| Affiliation: | FANG Cheng yuan, XU Ji ping ,Li Jia ,LIU Jintao ,YU Yating (1 .Shengyang University of Chemical Technology,Shenyang 110142,Liaoning China= 2.Faculty of Chemical,Environmental and Biological Science and Teohnology,Dalian University of Technology,Dalian 116024, Liaoning China) |
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| Abstract: | Several measuring methods of COD were introduced in this paper, and the influence factors for COD result were analyzed.Content of Cl-was the biggest influence factor, in addition,the degree of standard operation by the operator affect the result also.The methods for improvement testing accuracy were presentation. |
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| Keywords: | COD Cr-method Mn-method Oxidizing agent Reduction substance |
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