离子选择电极Rittner和Ma法测定地下水中Na+
DETERMINING Na+ IN UNDERGROUND WATER BY RITTNER Ma METHOD OF ION SELECTIVE ELECTRODE
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摘要: 本文提出用离子选择性电极Rittner和Ma法代替火焰光度法测定地下水中Na+。该法的优点是与电极的斜率无关,准确快速。测标准Na~+溶液相对误差为0.2%,相对标准偏差为7.1‰;测水样相对标准偏差为22.6‰。优于火焰光度法和其它离子电极方法。Abstract: The use of the method of determining Na in underground water by Rittner Ma method of ion selective electrode instead of flake spectrum method is reported,The apparent advantages of Rittner Ma's method are its accuracy and quickness. and it has no relation with the slope of the electrode, The relative error of the determination standard Na+ solution is 0.2%,with a relative standard deviation of 7.1‰;the relative standard deviation of the determined water specimen is 22.6%. This method is superior to flame spectrum method and other ion electrode methods.
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