ICP Multi-element (19) Calibration Standardsupplied Part A & B PART A: As, La, Li, Sc, Na, Mn, Mo, Ni, 20 mg/l each; P, K, S 100 mg/l each in 5% HNO3 (100ml) PART B: Ba, Ca 1mg/l each, La, Li, Mn, Na, Sr, 10mg/l each; K 50mg/l in 5% HNO3 (100ml)