Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Condensed phosphates for industrial use (including foodstuffs): determination of iron content

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English

Published date

29-09-1989

Publisher

British Standards Institution

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1,10-phenanthroline spectrometric method, applicable to products with iron contents of not less than 2 mg/kg.

This Part of BS 4427 describes a spectrometric method for determination of the iron content of condensed phosphates for industrial use (including foodstuffs). It is applicable to products having an iron content of not lower than 2 mg/kg.

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

Committee	CII/34
DevelopmentNote	Supersedes 88/51191 DC and BS 4427-3(1969). (08/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType	Standard
Pages	8
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4427-3:1969

BS 6337-3:1983

General methods of chemical analysis Method for determination of iron content (1,10-phenanthroline spectrophotometric method)

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BS 4427-3:1989

Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Condensed phosphates for industrial use (including foodstuffs): determination of iron content

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