标准法测定化学需氧量的改进

The improvement of the standard method of determining the chemical oxygen demand

本文全面分析了用标准法测定化学需氧量(COD)时,各个环节中存在的影响测量准确度因素,并从影响因素的根源出发,综述了消除影响的优化方案。

This paper analyses in an all - round way the factors of influencing measurement accuracy in each link when determining the chemical oxygen demand （COD） with the standard method. This article also gives a survey of optimization plan of dispelling influence from the root of influencing factors.