3N
1.Bi2O3=99.9%
2.Impurity Max chaque Pb/Cu0.002%, K0.001%, Mg0.004%, Na0.006%, Ca/Fe0.005%
3.Size 2-4.5um
4N
1.Bi2O3=99.99%
2.Impurity Max chaque Cu/Pb/Fe10ppm, Mn/Ca/Cd/Zn/Sb/Mg/Ni/Co5ppm
3.Size-100mesh
emballage 25kgs en bag
5N
1.Bi2O3=99.999% plastique scellé
2.Impurity Max chaque Co/Mg/Ni/Pb/Cr/Mn/Fe0.5ppm , Cu/Ag/Ca1ppm
3.Size-100mesh
6N
1.Bi2O3=99.9999%
2.Impurity Max chaque Ag0.01ppm, Fe/Ni 0,1 ppm, Cr/Ca 0,05 ppm, Mn/Al 0,03 ppm, Pb/Cu/Mg0.06ppm
3.Size-100mesh
1 kg d'emballage en flacon de polyéthylène
