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ISO 3091:1975

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

General information

Valid from 01.09.1975
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.09.1975
Main
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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