Sell High Purity Arsenic 6N,7N

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High Purity Arsenic 6N,7N
Impurity: ppm max
As-6 Ag 0.002 , Pb/Mg/Ni 0.01each , Al 0.02 , Ca 0.09 , S/Sb 0.10each
Cr/Se 0.05 each Te/ Zn 0.04 each ,
As-07 Ag 0.001, Pb 0.0005 Al/Te/Mg/Ni 0.005each, Se 0.01, Zn 0.02 ,
Packed in sealed 500ml Schott Glass bottle filled with argon gas.
Size :6N As is in form of irregular lump, 30mm max
7N Arsenic is 2-8mm, 2-20mm in form of irregular lump
three kinds of bottle for packing Arsenic,250ml, ,1000ml, (1450grams can be packed in 500ml bottle . )