Plasma Calibration Standard: As,B,Be,Bi,Cd,Co,Cr,Cu,Li,Mn,Mo,Ni,Pb,Sb,Se,Sr,Ti,Tl,V,Zn @10mg/L; Al,Fe,Mg,Na,P,S @100mg/L; K@300mg/L; Ca @1000mg/L in 4%HNO3 – 500ml