BS 4258-13:1990

This standard BS 4258-13:1990 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use is classified in these ICS categories:

• 71.060.30 Acids

This Part of BS 4258 describes a potentiometric method for the determination of the soluble sulphate content of phosphoric acid (orthophosphoric acid) for industrial use. The method is applicable to products having sulphate contents, expressed as SO₄, not lower than 0.4 % (m/m).

NOTE The titles of the publications referred to in this Part of this standard are listed on the inside back cover.

Applicable to products having sulphate contents of not less than 0.4% by mass.