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《Fujian Analysis & Testing》 2007-02
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Flame Atomic Absorption Spectrophotometric Determination of Potassium and Natrium in Environmental Water

Huang Hui-min (Xiamen Andou Water Supply Co. Ltd., Xiamen, 361009)  
The contents of potassium and sodium in environmental water samples were determined by flame atomic absorption spectrometry. Several second sensitivity was selected to apply in this method through comparing the absorbency of potassium and sodium in different wavelength. The present procedure was simple and the results were satisfactory. High sensitivity, good linearity , exact and steady results were obtained with the method. Detection limit for potassium and sodium was 0.005 mg/L, 0.008 mg/L, respectively. This method was applied for the contents of potassium and sodium in two water samples. Relative standard deviation from 1.2% to 1.9% and recoveries from 95.2% to 103.2% were obtained.
【CateGory Index】: X832
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