ISO-3091 › Meat and meat products -- Determination of nitrate content (Reference method)

ISO-3091 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 3091:1975

Revision Level

1ST EDITION

Status

Current

Publication Date

Sept. 1, 1975

Committee Number

ISO TC 34/SC 6