1 Merck 119778 Calciu standard solution traceable to SRM from NIST Ca(NO3)2 1000mg/l 1000mg/l 1000 mg/L ml 500 1 x 127,00 lei 2 Merck 106549 Azotit de sodiu 99.6% g 100 1 x 68,90 lei 3 Merck 119812 Amoniu sol.standard 1000 mg/l NH4 NH4Cl in H2O ml 500 1 x 130,00 lei 4 Merck 109460 Sol.tampon pH 8.00 pH = 8 pH=8.00±0.03 la 20oC, sol. tampon apoasa mL 1000 1 x 168,00 lei 5 Merck 107294 solutie tampon pH 6.88 pH=6.88 pH=6.8...

1 Merck 119778 Calciu standard solution traceable to SRM from NIST Ca(NO3)2 1000mg/l 1000mg/l 1000 mg/L ml 500 1 x 127,00 lei 2 Merck 106549 Azotit de sodiu 99.6% g 100 1 x 68,90 lei 3 Merck 119812 Amoniu sol.standard 1000 mg/l NH4 NH4Cl in H2O ml 500 1 x 130,00 lei 4 Merck 109460 Sol.tampon pH 8.00 pH = 8 pH=8.00±0.03 la 20oC, sol. tampon apoasa mL 1000 1 x 168,00 lei 5 Merck 107294 solutie tampon pH 6.88 pH=6.88 pH=6.88 la la 20C ml 1000 1 x 202,00 lei 6 Merck 119776 Plumb sol.standard 1000 mg/l Pb Pb(NO3)2 in HNO3 0.5 mol/l ml 100 1 x 93,00 lei 7 Merck 119792 Nichel sol.standard 1000 mg/l Ni Ni(NO3)2 in HNO3 0.5 mol/l ml 100 1 x 94,10 lei 8 QC Sigma-Aldrich 3083 certfied reference material -Oil and Grace Whole Volume ml 250 1 x 445,59 lei 9 Merck 06811 conductivity standard 200 µS/cm at 25°C ml 500 1 x 813,35 lei 10 Merck 41303 conductivity standard 400 µS/cm at 25°C ml 500 1 x 813,35 lei 11 Merck 101557 Potassium chloride solution (nominal 0.147mS/cm) 0.147mS/cm ml 500 1 x 673,10 lei 12 Merck 119897 Cloruri-sol standard 1000mg/l (Cl)- ml 500 1 x 127,00 lei 13 Merck 119898 Fosfati sol.standard 1000 mg/l PO4 ml 500 1 x 131,00 lei 14 Merck 119811 Azotati sol.standard 1000 mg/l NO3 ml 500 1 x 130,00 lei

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