ICP Multi-element (18) Standard, with As, Cd, Sb @3ug/l each; Pb, Se, Ag, Tl @10ug/l each; Be, Li @15ug/l; Al, Cr, Co, Mn, Mo @55ug/l each; Ni @100ug/l; Ba, Cu @150ug/l each; Fe @250ug/l and Zn @350ug/l Matrix: Water Ana;Pure Ultra +1% HNO3