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Homepage>ISO Standards>ISO 3091:1975-Meat and meat products — Determination of nitrate content (Reference method)
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download between 0-24 hoursReleased: 1975
ISO 3091:1975-Meat and meat products — Determination of nitrate content (Reference method)

ISO 3091:1975

ISO 3091:1975-Meat and meat products — Determination of nitrate content (Reference method)

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Standard´s number:ISO 3091:1975
Pages:5
Edition:1
Released:1975
DESCRIPTION

ISO 3091:1975


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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