Methods of test for phosphoric acid for industrial use. Determination of iron content

Available format(s)

Hardcopy

Superseded date

09-29-1989

Language(s)

English

Published date

01-31-1968

Publisher

British Standards Institution

Spectrophotometric determination using 2,2′-bipyridyl; acids containing polyphosphoric acid treated as a special case.

Committee	CII/37
DocumentType	Standard
Pages	0
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS 4258-2:1989

Standards	Relationship
ISO/R 849:1968	Similar to

BS 4258-12:1982	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Guide to sampling techniques
BS 4258-10:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content
BS 4258-9:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of chloride content
BS 4258-6:1976	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of arsenic content
BS 4258-7:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
BS 4258-8:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of calcium content (flame atomic absorption method)