Azotat de amoniu, puritate 99,99%, 100g - 1 buc
ICP multi-element - solutie standard XVI (21 elemente in acid azotic diluat), 100 mg/l: Sb, As, Be, Cd, Ca, Cr, Co, Cu, Fe, Pb, Li, Mg, Mn, Mo, Ni, Se, Sr, Tl, Ti, V, Zn Certipur, Merck 1094870100; LOT nr. 1-1 buc
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, ...
Azotat de amoniu, puritate 99,99%, 100g - 1 buc
ICP multi-element - solutie standard XVI (21 elemente in acid azotic diluat), 100 mg/l: Sb, As, Be, Cd, Ca, Cr, Co, Cu, Fe, Pb, Li, Mg, Mn, Mo, Ni, Se, Sr, Tl, Ti, V, Zn Certipur, Merck 1094870100; LOT nr. 1-1 buc
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 1094870100 Merck 1113550100; LOT nr.2- 1 buc
Solutii tampon trasabile SRM de la NIST şi PTB 10 x pH 4,01 (ftalat); 10 x pH 7,00 (fosfat), 10 x pH 9,00 (borat) pH 4.01/pH 7.00/pH 9.00 (25°C) Certipur, MERCK 1990050001-30x30ml-1set