BS 4427-13:1982
Current
The latest, up-to-date edition.
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
Hardcopy , PDF
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
Annexes
A Examples of the addition of sodium chloride solution
(4:4) and phosphoric acid solution (4.3)
B ISO publications relating to condensed phosphates
for industrial use (including foodstuffs)
Applicable to products with calcium contents equal to or greater than 50 mg/kg.
| Committee |
CII/34
|
| DevelopmentNote |
Also numbered as ISO 5373 Supersedes 80/54095 DC (08/2005) Reviewed & Confirmed by BSI, July 2017. (06/2017)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard specifies a flame atomic absorption spectrometric method for the determination of the calcium content of condensed phosphates for industrial use (including foodstuffs).
| 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 4427-12:1979 | 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 4427-14:1982 | 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 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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