水中余氯检测方法与标准现状对比及方法改进  

Comparison and Improvement of Detection Methods and Standards for Residual Chlorine in Water

作　　者：李佳臻 Li Jiazhen(Taiyuan Station of National Urban Water Supply Quality Monitoring Network,Taiyuan Shanxi 030012,China)

机构地区：[1]国家城市供水水质监测网太原站,山西太原030012

出　　处：《山西化工》2024年第12期80-82,85,共4页Shanxi Chemical Industry

摘　　要：本文总结了我国水中余氯检测标准现状,从检测方法、方法原理、余氯限值等方面对现行标准进行了对比分析。同时对利用3,3',5,5'-四甲基联苯胺比色法测量水中余氯,从测量时间、读数时间、水样温度、试剂量方面提出方法改进。并对我国在线实时监测水中余氯提出了建议。This article summarizes the current status of residual chlorine detection standards in water in China,and compares and analyzes the current standards from the aspects of detection methods,method principles,and residual chlorine limits.At the same time,method improvements were proposed for measuring residual chlorine in water using the 3,3',5,5'-tetramethylbenzidine colorimetric method in terms of measurement time,reading time,water sample temperature,and reagent dosage.And suggestions were made for online real-time monitoring of residual chlorine in water in China.

关 键 词：水 游离氯 检测方法 方法改进 

分 类 号：X832[环境科学与工程—环境工程]