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CEN
EN ISO 3946:1994

EN ISO 3946:1994

Current

Current

The latest, up-to-date edition.

Starches and derived products - Determination of total phosphorus content - Spectrophotometric method (ISO 3946:1982)

Published date

08-25-1994

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope and field of application
2 Definition
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Expression of results
8 Test report

Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m).

Committee
CEN/BT
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

EN ISO 11214:1996 Modified starch - Determination of carboxyl group content of oxidized starch (ISO 11214:1996)

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