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SRPS EN ISO 3946:2008

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

Apr 23, 2008
Apr 23, 2008

General information

90.93     Oct 13, 1999

ISS

E034-4

European Norm

67.180.20  

Serbian  

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS ISO 3946:2002

NOW

PUBLISHED
SRPS EN ISO 3946:2008
90.93 Standard confirmed
Oct 13, 1999

Related project

Adopted from EN ISO 3946:1994

Adopted from ISO 3946:1982 IDENTICAL