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DA40820624 · published 2026-07-14 · completed 2026-07-17 · from Emsar S.R.L. (Bucuresti)
1 Amoniu-solutie standard MRC, 0,25 mg/l NH4 in apa, trasabil la NIST, Merck sau echivalent 1322270100 Ammonium Standard Solution traceable to SRM from NIST 0.250 mg/l NH₄ in H₂O flacon 100 ml 1 x 282.26 = 282.26 2 Nitrit-solutie standard MRC, 0,2 mg/l NO2, in apa, trasabil la NIST, Merck sau echivalent 1250410100 "Nitrite Standard Solution traceable to SRM from NIST 0.200 mg/L NO2-N in H2O" flacon 100 ml 1 x 237.89 = 237.89 3 Nitrit solutie standard MR, 1000mg/l NO2 in apa, trasabil la NIST, Merck sau echivalent 1046590500 "Nitrite standard solution certified reference material, 1000 mg/L (NO2), traceable to SRM from NIST NaNO2 in H2O, Certipur®" flacon 500 ml 1 x 354.94 = 354.94 4 CombiChek 20, pentru verificarea calitatii metodelor spectrofotometrice (nitrati, sulfati etc) 1146750001 CombiCheck 20 standard solution photometric, Spectroquant®; specific analyte(s): ammonium, chloride, nitrate, phosphate, sulfate bucata 1 x 480.5 = 480.50 5 Nitrat -solutie standard MRC trasabila la SRM -NIST, 10mg/l NO3 Certipur, Merck sau echivalent 1322410100 "Nitrate Standard Solution traceable to SRM from NIST 10.0 mg/l NO3 in H2O 2.26 mg/l NO3-N in H2O" flacon 100 ml 1 x 240.72 = 240.72 6 Nitrat -solutie standard MRC, 1000mg/l NO3 traceCert, Merck sau echivalent 1046130500 "Nitrate standard solution certified reference material, 1000 mg/L (NO3), traceable to SRM from NIST NaNO3 in H2O, Certipur®" flacon 500 ml 1 x 354.94 = 354.94 7 Solutie sta