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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.
STANDARD published on 28.2.1969
Designation standards: BS 4427-1:1969
Publication date standards: 28.2.1969
SKU: NS-67597
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS
Dissolution of test sample and separation of any insoluble matter by filtration, drying at 110±5°C and weighing. Status: Confirmed
27.2.1981
27.2.1981
27.2.1981
31.1.1979
31.1.1979
30.9.1990
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