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BS 4427-12:1979

BS 4427-12:1979

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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 arsenic content. Silver diethyldithiocarbamate photometric method

Available format(s)

Hardcopy , PDF

Withdrawn date

01-12-2011

Language(s)

English

Published date

28-09-1979

Publisher

British Standards Institution

National foreword
Cooperating organizations
Method
1 Scope and field of application
2 References
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Expression of results
8 Test report
Annex
   ISO publications relating to condensed sodium
   phosphates for industrial use (including foodstuffs)

Applicable to products having arsenic contents equal to or greater than 0.2 mg/kg. Cross-refers to the general method of BS 4404, the possession of which is essential.

Committee
CII/34
DevelopmentNote
Also numbered as ISO 5372 Supersedes 77/50618 DC (08/2005)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Withdrawn

BS 4427-13:1982 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 calcium content - flame atomic absorption spectrometric method
BS 4427-15:1982 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 oxides of nitrogen content - 3,4-xylenol spectrophotometric method
BS 4427-14:1982 Methods of test for sodium tripolyphosphate ($7Ipenta$7Rsodium triphosphate) and sodium pyrophosphate ($7Itetra$7Rsodium pyrophosphate) for industrial use. Condensed phosphates for industrial use (including foodstuffs) - determination of chloride content - potentiometric method

BS 4427-13:1982 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 calcium content - flame atomic absorption spectrometric method
BS 4427-14:1982 Methods of test for sodium tripolyphosphate ($7Ipenta$7Rsodium triphosphate) and sodium pyrophosphate ($7Itetra$7Rsodium pyrophosphate) for industrial use. Condensed phosphates for industrial use (including foodstuffs) - determination of chloride content - potentiometric method
BS 4427-15:1982 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 oxides of nitrogen content - 3,4-xylenol spectrophotometric method
BS 4404:1968 Method for the determination of arsenic (silver diethyldithiocarbamate procedure)

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Hardcopy - English
PDF - English
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