Words nearby niobium
How to use niobium in a sentence
The oxide of niobium dissolved in a bead of microcosmic salt gives a bluish colour in the reducing flame.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
The corresponding group consists of nitrogen, vanadium and niobium; they are triatomic, paramagnetic, and negative.Occult Chemistry|Annie Besant and Charles W. Leadbeater
Chemically related to vanadium are the two elements tantalum and columbium or niobium.
But the knowledge was very imperfect; neither was it much clarified by H. Rose, who regarded niobium oxide as the element.