ICP Multi-element (28) Standard, @ 100ppm each in 5% HNO3 (supplied as Part A & B) PART A – Al, As, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Se, Sr, Ti, Tl, V, Zn PART B – Ag & Sb