Niobium, formerly known as columbium, is a chemical element with symbol Nb (
He reduced the chloride by heating it in a hydrogen atmosphere.. Superconducting niobium cavities, made by the Jefferson Laboratory for use in particle .
It is often used as a precursor to other compounds of niobium. NbCl may be purified by sublimation. Structure and properties Niobium(V) chloride forms .
A niobium chloride complex is formed in > 5 M HCl solutions.. In low-alloyed steels, niobium is widely used as a microalloying element, which in combination