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ISO 3091:1975
Meat and meat products — Determination of nitrate content (Reference method)
General information
Buying
Published
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
90.20
Standard under periodical review
Jul 15, 2023
National adoptions
Meat and meat products — Determination of nitrate content (Reference method)
90.20 Standard under periodical review
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