鋁、硼、鈣、鉻、銅、鐵、鉀、鎂、錳、鉬、鈉、鎳、磷、鉛、鋅100μg/ml?

Al, B, Ca, Cr, Cu, Fe, K, Mg, ?Mn, Mo, Na, Ni, P, Pb, Zn
5% HNO3, tr. HCl(5%硝酸，微量鹽酸)