The FIA determination of COD with the acidified KMnO4
The heated and acidified KMnO4 oxidized the wastewater with the aid of sulfuric acid and 50m-backpressure coil. The chemical oxygen demand was calculated by the determination of concentration of the KMnO4 with the aid of spectrometer. Under the chosen experiment condition, the linear correlation coefficient of the stand calibration curve was 0.999, and the relative standard deviation was detected as 3.2%.
NETL
NSTL
万方数据
维普
