1 Solutie standard NH4Cl in H2O, 1000 mg/l, NH4+, trasabil NIST - Certipur Merck 1198120500 500 ml 1 141,85 141,85 2 Solutie standard Ca(NO3)2 in HNO3, 0,5 mol/l 1000 mg/l, trasabil NIST - Certipur Merck 1197780100 100 ml 1 101,86 101,86 3 Solutie standard Fe(NO3)2 in acid azotic, 0,5 mol/l 1000 mg/l, trasabil NIST - Certipur Merck 1197810100 100 ml 1 101,86 101,86 4 Solutie standard Mg(NO3)2 in acid azotic, 0,5 mol/l 1000 ...

1 Solutie standard NH4Cl in H2O, 1000 mg/l, NH4+, trasabil NIST - Certipur Merck 1198120500 500 ml 1 141,85 141,85 2 Solutie standard Ca(NO3)2 in HNO3, 0,5 mol/l 1000 mg/l, trasabil NIST - Certipur Merck 1197780100 100 ml 1 101,86 101,86 3 Solutie standard Fe(NO3)2 in acid azotic, 0,5 mol/l 1000 mg/l, trasabil NIST - Certipur Merck 1197810100 100 ml 1 101,86 101,86 4 Solutie standard Mg(NO3)2 in acid azotic, 0,5 mol/l 1000 mg/l, trasabil NIST - Certipur Merck 1197880100 100 ml 1 102,82 102,82 5 Solutie standard de azotit NaNO3 in H2O, 1000 mg/l, NO3, trasabil NIST - Certipur Merck 1198990500 500 ml 1 142,80 142,80 6 Solutie standard de azotat NaNO3 in H2O, 1000 mg/l, NO3, trasabil NIST - Certipur Merck 1198110500 500 ml 1 141,85 141,85 7 Solutie standard de sulfat NaSO4 in H2O, 1000 mg/l, trasabil NIST - Certipur Merck 1198130500 500 ml 1 142,80 142,80 8 Hidroxid de sodiu pelete, pentru analiza, Merck 1064981000 kg 1 50,34 50,34 9 Alcool Etilic 96% pentru analiza Merck 1590101000 L 1 235,14 235,14 10 Clorura de sodiu pentru analiza Merck 1064041000 kg 1 79,12 79,12 11 Hartie de filtru 150 mm. Caracteristici: hartie de filtru cantitativa 150 mm, banda albastra, filtrare lenta, fara cenusa 100021305 cutie 5 73,06 365,30 12 Cuva sticla spectrofotometru din sticla optica 50 mm 6030-50-10 pachet (2 buc in pachet) 1 819,00 819,00 13 Kit LOVIBOND Vario LR, COD Vario 0-150mg/l, 16 mm 2420720 cutie 2 372,65 745,30

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