Potassium sodium chloride integrated microconduits in a potentiometric analytical system |
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Authors: | Hongbo C Junyan S |
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Institution: | Institute of Applied Ecology, Academia Sinica, Shenyang, China. |
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Abstract: | The preparation and application of a K(+), Na(+) and Cl(-) integrated microconduit potentiometric analytical system with tubular ion-selective electrodes (ISEs), microvalve, chemfold, electrostatic and pulse inhibitors is described. Electrochemical characteristics of the tubular ISEs and integrated microconduit FIA-ISEs were studied. The contents of K(+), Na(+) and Cl(-) in soil, water and serum were determined with the device. The analytical results agreed well with those obtained by flame photometric and silver nitrate volumetric methods. |
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