BS 5072-5:1980

This standard BS 5072-5:1980 Methods of test for sodium fluoride for industrial use is classified in these ICS categories:

• 71.060.50 Salts

This International Standard specifies a photometric method, using 1,10-phenanthroline, for the determination of the iron content of sodium fluoride primarily used for the production of aluminium.

The method is applicable to the determination of iron contents, expressed as Fe₂O₃, greater than 0,020 % (m/m).