Certified Reference Material, 20 g/L Cl-, 3000 mg/L Ca, 2500 mg/L each of Fe, Na; 2000 mg/L C, 1000 mg/L each of Al, Mg, P, K, S, 20 mg/L each of Mo, Ti in HNO3 5%
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
Certified Reference Material, 1000 mg/L each of Ca, Fe, K, Mg, Na, Sr, 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 HNO3 5%
Certified Reference Material, 1000 mg/L each of Ca, Fe, K, Mg, Na, 100 mg/L each of Ag, Al, As, Ba, Be, Cd, Co, Cr, Mn, Mo, Pb, Sb, Se, Tl, V, Zn, U, Cu, Ni in HNO3 5%