ICP Multi-element (30) Standard, in 5% HNO3 (supplied Part A & B) Part A: Al, As, Ba, Be, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se, Sr, Tl, U, V, Zn @10mg/L Part B: Ag, Hg @10mg/L SL: 1 year from Date of Manufacture