New system for nitrites and nitrates detection from natural water sources. - Carmen Moldovan; Marian Ion; Silviu Dinulescu; Mihaela Savin; Costin Brasoveanu; Bogdan Firtat; Mariuca Gartner; Cecilia Lete; Susana Mihaiu; Marin Gheorghe; Simona Gheorghe (BioCAS, 2018)