Author： Rutkoviene V. Grazuliaviciene V. Cesoniene L. Kusta A.
Publisher： MAIK Nauka/Interperiodica
ISSN： 1070-4272
Source： Russian Journal of Applied Chemistry, Vol.78, Iss.11, 2005-11, pp. : 1864-1868
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Abstract
Three methods of determining nitrate ion concentration in natural waters, namely, the potentiometric method, the spectrophotometric method using sodium salicylate, and the spectrophotometric method using 4-fluorophenol after distillation, are compared. Factors influencing the accuracy and reproducibility of the measurements are determined, and the statistical evaluation of the results obtained is given.
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