Abstract
The new method for simultaneous determination of the concentrations of fluorine and chlorine in river water with double indicative electrodes is developed, and the quantitative analysis formulas that the inputs of electrode were exchanged by using self-made joints were induced. With this method, the synthetic water samples and the water samples taken from Majiagou River were analyzed. The results of determinations are satisfactory. The relative errors were <10.0% for F− and <3.0% for Cl-. The recoveries were 90–101% for F− and 90–110% for Cl−. The relative standard deviations were < 15.2% for F− and < 10.0% for Cl−. The advantages of this method is accurate, rapid and simple.
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