[The presence of nitrates and nitrites in the environment in different geographical areas of Moldova correlated with morbidity from methemoglobinemia]. / Cercetarea prezentei nitratilor si nitritilor din mediul ambiant din zone geografice diferite din Moldova în corelatie cu morbiditatea prin methemoglobinemie.

It was studies the content of nitrates and nitrites in water sources and vegetables from different geographical regions, resulting high values of nitrates in colinae and plain regions, and low values in mountain and submountain region. The high value of nitrates are related with methaemoglobinaemia. The nitrites from edible water studied and from vegetables presented very low values in the order of ppm.