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Purifying 'Al' using 'HF'

  1. Dec 1, 2008 #1
    Hello,

    As I was going through the properties of HF, I found that it is used to purify Al... which sounds very interesting to me... but unfortunately I wasn't able to find how this process is done...

    I will be really thankful if you could provide some information regarding this issue.


    Thanks in advance.
     
  2. jcsd
  3. Dec 1, 2008 #2

    chemisttree

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    Search terms... "synthetic cryolite" "Hall-Heroult Process"
     
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