SSH EN ISO 3946:1994

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

Publication date: Dec 31, 2004

General information

Current stage: 60.60 Effective date: Dec 31, 2004

Originator: DPS

Owner: DPS/KT 275

Type: European Norm

ICS: 67.180.20

Languages: English

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Status: Published

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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

NOW

PUBLISHED
SSH EN ISO 3946:1994
60.60 Standard published
Dec 31, 2004

Related project

Adopted from EN ISO 3946:1994

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