Nitrite and Nitrate Analysis by Capillary Electrophoresis with Direct UV Absorbance Detection: A Mini-Review

Farsang, Róbert and Hogyor, Kinga and Járvás, Gábor and Guttman, András (2025) Nitrite and Nitrate Analysis by Capillary Electrophoresis with Direct UV Absorbance Detection: A Mini-Review. HUNGARIAN JOURNAL OF INDUSTRY AND CHEMISTRY, 53 (2). pp. 73-78. ISSN 0133-0276

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Abstract

The analysis of nitrite and nitrate ions is of great importance in environmental samples, food and various human samples. In contrast to conventional spectrophotometric methods, nitrite and nitrate ions are relatively easy to analyze by capillary electrophoresis as both are negatively charged over a wide pH range as well as absorb over a broad UV range so that they can be analyzed simultaneously by capillary electrophoresis. In this paper, different separation strategies for the analysis of nitrite and nitrate by capillary electrophoresis with direct UV absorbance detection are presented.

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