Tantalum ore and Concentrate, Tested verified by ALFRED H KNIGHT INTERNATIONAL LTD Last shipment sample test = TANTALUM PENTOXIDE (Ta2O5) % 57.28 NIOBIUM (Nb2O5) 13.09 URANIUM OXIDE (U3O8) 0.83 TITANIUM (TiO2) 0.37 TIN (SnO2) 0.28 ...
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