ICP Multi-element (30) Standard, in 2 parts: Part A: Ag @ 5ppm in 5%HNO3 Part B: Al,Sb,As,Ba,Be,B,Cd,Ca,Cr,Co,Cu,Fe,Pb,Li,Mg,Mn,Hg,Mo,Ni,Se,Si,Na,Sr,Tl,Sn,V,Zn @20ppm K and P @100ppm in 2%HNO3