BS 4427-4:1969
Withdrawn
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Determination of loss on ignition
Hardcopy , PDF
English
02-28-1969
05-22-2026
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Withdrawn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Withdrawn:This standard is no longer used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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