ICP Multi-element (28) Standard, 2A-PartA: Ag,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 at 10mg/L in 5%HNO3, PartB: Hg at 10mg/L in 5%HNO3