ISO 3091:1975

Meat and meat products — Determination of nitrate content (Reference method)

Publication date: Sep 1, 1975

General information

Current stage: 90.93 Effective date: Sep 5, 2018

Originator: ISO

Owner: ISO/TC 34/SC 6

Type: International Standard

ICS: 67.120.10

Languages: French English

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Status: Published

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Scope

The method consists in extracting of a test portion with hot water, precipitating of proteins and filtrating. Reduction of the extracted nitrates into nitrites by metallic cadmium. Formation of a red colouration by adding of sulfanilamide and nphthyl ethylenediamine hydrochloride and photometric measurement at a wavelength of 538 nm.

Life cycle

NOW

PUBLISHED
ISO 3091:1975
90.93 Standard confirmed
Sep 5, 2018

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