BS 4427-12:1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
01-12-2011
English
28-09-1979
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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Withdrawn
|
| Standards | Relationship |
| UNE-EN ISO 13000-1:2022 | Identical |
| 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 (<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 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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