ICP Multi-element (20( Standard, Ag,As,Ba,Be,Cd,Co,Cr,Cu,Hg,Mn,Pb,Se,Te,Tl,V, Zn @0.1ppm each in 5%HNO3 & Mo,Sb,Sn,W @0.1ppm each in 5%HNO3 + trace HF