Isotachophoretic determination of nitrites and nitrates in vegetable products

Karovičová, J. and Kohajdová, Z. and Lukáčová, D. (2007) Isotachophoretic determination of nitrites and nitrates in vegetable products. Acta Alimentaria, 36 (1). pp. 7-13. ISSN 0139-3006

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Abstract

A capillary isotachophoretic (cITP) method to determine the concentration of nitrates and nitrites in vegetables and lactic acid fermented tomato, cucumber and cucumber-onion juices is described. Method characteristics (selectivity, response function, linearity, precision, accuracy and limit of quantification) were determined. The minimal sample pretreatment and relatively low running make isotachophoresis a good alternative to existing methods.

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