ICP-MS Calibration Standard (XXI) – 29 components; Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se, Sr, Tl, U, V, Zn @ 10mg/l, in 5% HNO3, 100mL