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BS 4993-1:1974

Methods of test for aluminium fluoride for industrial use - Determination of fluorine content

Standard Details

Fusion of a test portion with sodium carbonate and separation of the fluorine by distillation with sulphuric acid. Titration of the distillate with thorium nitrate solution using either sodium alizarinsulphonate with or without methylene blue as masking agents, or methylthymol blue as indicator.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 4993-1:1974
Document Year: 1974
Pages: 10
  • Section Volume:
  • GBM38 Chemical Technology (GMB38)

Life Cycle

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Confirmed
BS 4993-1:1974
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