BS 4427-3:1969
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate). Determination of iron content
Available format(s)
Hardcopy
Language(s)
English
Published date
28-02-1969
Publisher
Superseded date
29-09-1989
Superseded by
€236.17
Excluding VAT
2,2′-Bipyridyl method applicable to sample, containing more than 0.001 per cent of iron.
| Committee |
CII/34
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 4427-10:1976 | Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method |
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