紫外分光光度法测定制革污水COD

Determination of COD in leather sewage by ultraviolet absorption spectrometry

选择了紫外分光光度法测定制革污水 COD的条件 ,在选定条件下进行了制革污水的测定 ,并将测定结果与国标法所得值进行对照 ,建立了二者之间的线性方程 ,并对方法的相关性和精密度进行了评价。

The condition of determining COD in leather sewage was selected and the COD of leather sewage was determined in the selected condition. The result of determination was contrasted with the result of dichromate method and the linear equation was set up. The pertinence and precision of the method was judged.