Test method for trace total organic carbon content in water vapor

TIAN Li; SHI Libin; AN Xuesong; FAN Shixuan; WANG Guangzhu

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Test method for trace total organic carbon content in water vapor

更新时间：2025-09-28

- Test method for trace total organic carbon content in water vapor
- Thermal Power Generation Vol. 42, Issue 9, Pages: 92-94(2013)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 神华江苏国华陈家港发电有限公司
  3. 北京大学化学与分子工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK31
- Published：2013
- 稿件说明：
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TIAN Li, SHI Libin, AN Xuesong, et al. Test method for trace total organic carbon content in water vapor[J]. Thermal power generation, 2013, 42(9): 92-94.
DOI：

TIAN Li, SHI Libin, AN Xuesong, et al. Test method for trace total organic carbon content in water vapor[J]. Thermal power generation, 2013, 42(9): 92-94. DOI：

摘要

针对电厂锅炉给水中总有机碳(TOC)测量的特点

提出采用紫外氧化-电导检测痕量TOC的新方法

确定影响测量的关键因素

并测试其准确度及精密度。运用该方法对TOC含量为0~500μg/L的水样进行了测定

结果表明其加标回收率在95%~103%

测量标准偏差在2%~5%

具有良好的准确度及精密度。该方法操作简便

易于实现现场在线监测。

Abstract

According to the measurement characteristics of total organic carbon(TOC)content in feedwater

a new method using ultraviolet oxidation combined with conductance to detect the trace TOC content was put forward.Key factors affecting the measurement were determined

and the accuracy and precision of this method were tested.This method was applied to detect the water sample with TOC content from 0μg/L to 500μg/L.The results showed that

the recovery rate of this method was between 95% and 103%

and the measurement standard deviation was between2% and 5%

indicating this method had a high accuracy and precision.Therefore

this method was easy to realize and can realize online detection in field.

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