HighPurityArsenic5N6N7N99.999%,99.9999%,99.99999%Impurity:PPMMaxeach(ICP-MS)As-5NNa/Al/K/Ca/Cr/Fe/Cu/Zn/Sb/Pb/Bi0.5,Mg0.2,Se1.0,Ni0.1As-6NMg/Al/Cr/Fe/Se0.05,Pb/Ni/Cu0.01,Na/Ca/Zn/Sb/Bi0.1As-7NB/Na/K/Ca/Fe0.01,Mg/Al/Cr/Ni/Zn/Se/Ag/Sb/Pb/Bi0.005Size:irregularlump<30mm,or2-10mm,2-20mm1500ginsealed500mlSchottGlassbottlefilledwithargongas)