BS 4427-4:1969
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 Determination of loss on ignition
Hardcopy , PDF
English
28-02-1969
22-05-2026
NO CONTENTS SECTION
Ignition at 550±25°C to constant mass.
| Committee |
CII/34
|
| DevelopmentNote |
Reviewed and confirmed by BSI, December 2011. (11/2011)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
Withdrawn:This standard is no longer used
| 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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