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immediate downloadReleased: 1969-02-28
BS 4427-1:1969
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Determination of matter insoluble in water in sodium tripolyphosphate
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| Standard number: | BS 4427-1:1969 |
| Pages: | 8 |
| Released: | 1969-02-28 |
| ISBN: | 0 580 05376 8 |
| Status: | Standard |
DESCRIPTION
BS 4427-1:1969
This standard BS 4427-1:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use is classified in these ICS categories:
- 71.060.50 Salts
This Part of BS 4427 describes a method for the determination of the matter which is insoluble in water in sodium tripolyphosphate for industrial use.
Dissolution of test sample and separation of any insoluble matter by filtration, drying at 110±5°C and weighing.