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Niobium(V) oxide, min. 99,9 %, 50 g, plastic
Niobium(V) oxide, min. 99,9 %, Molar mass (M) 265,81 g/mol, Density (D) 4,6 g/cm³, CAS No. [1313-96-8], EG-Nr. 215-213-6, Empirical formula Nb2O5