1198110500 Solutie standard de azotat NaNO3 in H2O trasabila NIST 1000 mg/l NO3 CertiPUR Merck 500mL 1*195=195
1113550100 ICP multi-element - solutie standard IV (23 elemente in acid azotic diluat), 1000 mg/l: 1000 mg/l: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn Certipur Merck 100ml 1*877=877
1990360500 Solutie tampon (acid citric/hidroxid de sodiu), trasabila NIST si PTB pH 6...
1198110500 Solutie standard de azotat NaNO3 in H2O trasabila NIST 1000 mg/l NO3 CertiPUR Merck 500mL 1*195=195
1113550100 ICP multi-element - solutie standard IV (23 elemente in acid azotic diluat), 1000 mg/l: 1000 mg/l: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn Certipur Merck 100ml 1*877=877
1990360500 Solutie tampon (acid citric/hidroxid de sodiu), trasabila NIST si PTB pH 6.00 (25°C) Certipur, Merck 500ml 1*156=156