Design and application of sensor for COD based on light absorbance principle

ZHAO Hui; WANG Qin; QI Hai-yan; WANG Yue; ZHANG Li; LI Ming

doi:10.13873/J.1000-9787(2014)12-0073-03

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Design and application of sensor for COD based on light absorbance principle

更新时间：2025-09-11

- Design and application of sensor for COD based on light absorbance principle
- Vol. 33, Issue 12, Pages: 73-75(2014)
- 作者机构：
  
  1. 中国科学院上海微系统与信息技术研究所传感技术联合国家重点实验室
  2. 上海市环境保护信息中心
  3. 松江区环保局
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2014)12-0073-03
  CLC： X832;TP212
- Published：2014
- 稿件说明：
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[1]赵辉,王勤,戚海燕,王跃,章立,李铭.基于光吸收原理的化学需氧量传感器设计与应用[J].传感器与微系统,2014,33(12):73-75.

ZHAO Hui, WANG Qin, QI Hai-yan, et al. Design and application of sensor for COD based on light absorbance principle[J]. 2014, 33(12): 73-75.
[1]赵辉,王勤,戚海燕,王跃,章立,李铭.基于光吸收原理的化学需氧量传感器设计与应用[J].传感器与微系统,2014,33(12):73-75. DOI： 10.13873/J.1000-9787(2014)12-0073-03.

ZHAO Hui, WANG Qin, QI Hai-yan, et al. Design and application of sensor for COD based on light absorbance principle[J]. 2014, 33(12): 73-75. DOI： 10.13873/J.1000-9787(2014)12-0073-03.

摘要

化学需氧量（COD）是反映水体受还原性生物质污染的程度

是目前衡量水质状况的最重要指标之一。介绍了一种基于光吸收原理的化学需氧量在线监测传感器

通过邻苯二甲酸氢钾溶液标定实验对传感器进行校准

并应用于上海苏州河水化学需氧量的监测和分析。实验结果表明:利用设计的传感器监测苏州河水

水样COD值为23.17mg/L

传感器稳定性和重复性实验CV值分别为0.18%和0.20%因此

设计的传感器实现了对苏州河水COD值的快速监测和分析。

Abstract

Chemical oxygen demand（COD） is one ol’ the most important signs to measure the water quality status at present

and indicates the degree of water pollution because of reducing substances.Introduce a kind of on-line monitoring sensor for COD detection based on light absorbance principle

through potassium hydrogen phthalate solution calibration experiment.calibrate the sensor

and apply it for monitoring and analysis on Shanghai Suzhou River.The results show that

by using the designed sensor to monitor the Suzhou River

COD value is 23.17mg/l.

stability and repeatability test CV values of sensor are 0.18%and 0.20%.Therefore

the sensor realizes rapid monitoring and analysis on Suzhou river COD value.

关键词

Keywords

references

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