Pachetul contine:
1 Mangan - solutie standard, Mn(NO3)2 in HNO3 0.5 mol/l, trasabila NIST; 1000 mg/l Mn CertiPUR®, 100ml, cant.=1, 1197890100 Merck = 132 lei
2 Solutie standard mangan, CRM trasabila la SRM de la NIST 0,050 mg/l Mn în H2O, 100ml, cant.=1, 1322370100 Merck = 231 lei
3 Solutie standard de nitrit, CRM, trasabila la SRM din NIST; 0.200 mg/l NO2-N in H2O, 100ml, cant.=1, 1250410100 Merck = 233 lei
4 Azot-Azotat ...
Pachetul contine:
1 Mangan - solutie standard, Mn(NO3)2 in HNO3 0.5 mol/l, trasabila NIST; 1000 mg/l Mn CertiPUR®, 100ml, cant.=1, 1197890100 Merck = 132 lei
2 Solutie standard mangan, CRM trasabila la SRM de la NIST 0,050 mg/l Mn în H2O, 100ml, cant.=1, 1322370100 Merck = 231 lei
3 Solutie standard de nitrit, CRM, trasabila la SRM din NIST; 0.200 mg/l NO2-N in H2O, 100ml, cant.=1, 1250410100 Merck = 233 lei
4 Azot-Azotat - solutie standard ISE, 1000mg/L ±10mg/L NO3-N, 4430mg/L ± 44mg/L NO3 (NIST), 500ml, cant.=1, 1279249 Hach = 241 lei
6 Solutie standard (tampon) (fosfat diacid de potasiu/fosfat acid disodic), trasabil NIST si PTB, pH 7.00 (25°C) Certipur® ; 500ML, cant.=1 1094070500 Merck = 150 lei