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Synthesis of Niobium Pentabromide From the Elements

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First published at 23:41 UTC on August 25th, 2022.

poormanschemist

PoorMansChemist

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In this video I prepare niobium pentabromide from coarse granulated niobium metal and bromine. The niobium reacts with the bromine vapor (not the liquid) and niobium pentabromide distills off. To obtain a bottled pure product this prep should be done with a horizontal apparatus using a large diameter quartz glass tube. Not having one of those I had to settle for making the compound and then allowing it to decompose after taking it out of the apparatus to produce niobic acid (hydrated niobium pentoxide).

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