ICP Multi-element (50) Standard, in 2 Parts: Part A: Pb, Cd, As, Se, Cu, Zn, Li, Al, V, Cr, Mn, Ni, La, Ce, Nd, Sm, Gd, Dy, Er, Tl, Ba, Co, Rb, Tb, Ho, Tm, Be, U, Ag, Bi, Cs, Eu, Ga, In, Fe, Pr, Re, Th, Yb, Sr @10mg/L each – Matrix: 2% HNO3 – Part B: Ge, Hf, Mo, Nb, Te, Ti, W, Zr, Sn, Sb @10mg/L each – Matrix: HNO3(5%) + HF(1%)