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Purity 1 : 99.999 +/- 0.00024 Purity 2: 99.999 +/- 0.00026 The isotop cpmposition of the ignot is as follows 63 Cu: 69.182 +/- 0.018 65 Cu: 30.818 +/- 0.018
Bauxite, manganese, copper , isotop bauxite .