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BSI
BS 4427-1:1969

BS 4427-1:1969

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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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-1969

Publisher

British Standards Institution

NO CONTENTS SECTION

Dissolution of test sample and separation of any insoluble matter by filtration, drying at 110±5°C and weighing.

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.

Committee
CII/34
DevelopmentNote
Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
8
PublisherName
British Standards Institution
Status
Current

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

BS 3978:1966 Specification for water for laboratory use

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