紫外分光光度法在测定化学需氧量中影响因素及预处理的探讨

Discussion on Influencing Factors and Pretreatment in Determination of Chemical Oxygen Demand with Ultraviolet Spectrophotometric Method

研究了紫外分光光度法直接测定水中化学需氧量的方法,在试验了某些因素对测定结果影响的基础上,提出了对水样预处理的方法,确定了最佳试验方案。

We researched on determining COD with Ultraviolet spectrophotometric method, analysed factors Influencing the test results,proposed water sample pretreatment methods and found the best test plan.