ICP Multi-element (30) Calibration Standard, for MS ( in diluted nitric acid, Hg separately) 10 mg/l: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Hg, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se,Sr,Tl,U,V,Zn