Isotachophoretic determination of nitrites and nitrates in vegetable products
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作者:
Karovicova, J.
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, Slovakia
Karovicova, J.
[1
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Kohajdova, Z.
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, Slovakia
Kohajdova, Z.
[1
]
Lukacova, D.
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, Slovakia
Lukacova, D.
[1
]
机构:
[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Food Technol, SK-81237 Bratislava, Slovakia
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.