DETERMINATION OF NITRATES IN LETTUCE
(LACTUCA SATIVA VAR. CAPITATA) FROM VARIOUS PRODUCERS
BY ION-SELECTIVE ELECTRODE
Lucia Zeleňáková*, Silvia Jakabová, Marek Šnirc, Jana Žiarovská, Ivana Mezeyová
Key words: Lettuce, Nitrates, Analyse, Ion selective electrode, Vegetable.