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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.060 Inorganic chemicals>71.060.50 Salts>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
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

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.
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