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论述了采用分光光度计测定废水中COD的方法,给出了测定分析结果。与国标重铬酸钾法分析结果基本一致,且比重铬酸法更快速,还具有节能、环保的优点。
Discusses the method of using spectrophotometer to measure COD in waste water and gives the result of measurement and analysis. And the national standard potassium dichromate analysis results are basically the same, and the proportion of chromic acid method faster, but also has the advantages of energy saving, environmental protection.