Niobium Pulvis
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Niobium Nb Metals 99.95% Niobium Pulvis Niobium Producendo HRNB WCM02
Niobium Nb Metal Powder
Niobium est metallum griseum, punctum liquescens 2468 , punctum fervens 4742 ℃. Niobium stabile in aere in cella temperie, in oxidatione oxygeni rubeum non est.