Niobium(V) fluoride

Niobium(V) fluoride, also known as niobium pentafluoride, is a colorless crystalline solid often used as a starting material in niobium chemistry.

Preparation

Niobium pentafluoride is obtained as an intermediate during the recovery of niobium metal from its ores. It also can be prepared by direct fluorination of niobium metal at 250 to 300 °C, either by fluorine gas or anhydrous hydrofluoric acid. The pentafluoride vapors are condensed in a pyrex or quartz tube from which it is sublimed at 120 °C under vacuum and collected as colorless crystals.

Also, niobium pentafluroide can be prepared by the reaction of fluorine with niobium pentachloride:

External links

  • NIST Standard Reference Database
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    This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Niobium(V)_fluoride

    NBF

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  • The Naxi language has ISO 639-3 code nbf
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    This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/NBF

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