ICP Multi-element (16) Standard in 2-5% HNO3: Al,As,Sn 2.5ppm Ba 20ppm, Cd,Sb 0.5ppm, Cr, Cu 7ppm, Mn 1ppm, Mo 3ppm, Ni 4ppm, Fe, P, Pb 5ppm, Se 0.7ppm, Zn 15ppm