Different procedures for the quantitation of nitrite in the presence of a large excess of chloride are described. The results obtained show that, in general, solutions characterized by N02-/Cl- ratios of about 1/10 000 can very easily be analyzed. The best results were obtained with amperometric detection in conjunction with NaCI as the eluent which allows ratios down to about 1/700 000 to be employed. One of the procedures investigated was successfully applied to the analysis of samples of sea-water from fish breeding pools. © 1989.
Ion Chromatographic Determination of Nitrite in the Presence of a Large Amount of Chloride.
PASTORE, PAOLO;
1989
Abstract
Different procedures for the quantitation of nitrite in the presence of a large excess of chloride are described. The results obtained show that, in general, solutions characterized by N02-/Cl- ratios of about 1/10 000 can very easily be analyzed. The best results were obtained with amperometric detection in conjunction with NaCI as the eluent which allows ratios down to about 1/700 000 to be employed. One of the procedures investigated was successfully applied to the analysis of samples of sea-water from fish breeding pools. © 1989.
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