Environmental Calibration Standard for ICP-MS Certified Reference Material, 1000 mg/L each of Fe, K, CA, Na, Mg, 10 mg/L each of

Environmental Calibration Standard for ICP-MS Certified Reference Material, 1000 mg/L each of Fe, K, CA, Na, Mg, 10 mg/L each of Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Tl, V, Zn, Th, U in 10% HNO₃, 0.01% HF