Application of Permanganate Index Analyzer for the Environmental Water with High Turbidity
In order to improve the efficiency of measuring the permanganate index in high turbidity environmental water samples and ensure the accuracy of the analysis results,a fully automatic permanganate index analyzer is used to measure the permanganate index of high turbidity environmental water samples.The applicability of the analyzer for determining the permanganate index of water samples in high turbidity environments was emphasized,and compared with manual methods.The results indicate that,based on the measurement results of certified reference materials for potassium permanganate index,using a fully automatic potassium permanganate index analyzer for analysis results in small measurement deviation and good accuracy.According to the measurement results of permanganate index for different turbidity water samples,the measured value increases significantly with the increase of water turbidity,but the instrument measurement method is closer to the true value than the manual method.When the instrument is applied to the determination of permanganate index in high turbidity environmental water samples(>100 NTU),the relative standard deviation(RSD)of repeatability testing is between 3.31%and 5.26%.The same sample was analyzed manually,with RSD ranging from 10.02%to 13.42%.Compared with manual methods,the analysis technology based on fully automatic permanganate index analyzer has better accuracy and repeatability in analyzing permanganate index of high turbidity water samples.This method has many advantages such as high analysis efficiency and simple operation,and can be widely used in the field of permanganate index analysis of high turbidity water samples in environmental monitoring.
permanganate index analyzerhigh turbidityenvironmental water samplespermanganate index