1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn Matrix: 10% HNO3 Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility