BS 4427-15:1982
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 oxides of nitrogen content - 3,4-xylenol spectrophotometric method
Hardcopy , PDF
01-12-2011
English
30-11-1982
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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Withdrawn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 (<i>penta</i>sodium triphosphate) and sodium pyrophosphate (<i>tetra</i>sodium 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 (<i>penta</i>sodium triphosphate) and sodium pyrophosphate (<i>tetra</i>sodium 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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