BS 4427-15:1982

Withdrawn

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

Available format(s)

Hardcopy , PDF

Withdrawn date

01-12-2011

Language(s)

English

Published date

30-11-1982

Publisher

British Standards Institution

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

Applicable to products having an oxide of nitrogen content, expressed as nitrogen (N), equal to or greater than 2 mg/kg.

Committee	CII/34
DevelopmentNote	Also numbered as ISO 5375 Supersedes 77/52778 DC (08/2005)
DocumentType	Standard
Pages	14
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Status	Withdrawn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 4427-12:1979	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
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 572:1960	Interchangeable conical ground glass joints
BS 4427-12:1979	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

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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

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