We sell high-grade tantalum coltan ore (38-40% Ta205).
Chemical Analysis in % of one our last order :
Ta205……………………………………… 40.22%
Nb205…………………………………….. 24.64%
Th02………………………………………. 0.041%
U308………………………………………. 0.103
Moisture………………………………… 0.073%
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