ICP Multi-element (19) Standard, Al 100ppm, Ba 5ppm, Be 1ppm, Bi 200ppm, B 15ppm, Cd 20ppm, Cr 25ppm, Co 20ppm, Cu 30ppm,Ga 150ppm, In 200ppm, Fe 15ppm, Pb 200ppm, Mn 5ppm, Ni 50ppm, Ag 50ppm, Sr 1ppm Tl 40ppm, Zn 20ppm in 5% HNO3