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ISO 2918:1975
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ISO 2918:1975 Meat and meat products -- Determination of nitrite content (Reference method)
standard by International Organization for Standardization, 09/01/1975
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Full Description
The method consists in extracting of a test portion with hot water, precipitating of proteine and filtrating. In presence of nitrits formation of a red cloured complex by adding sulfanilamide and naphthylethylenediamine hydrochloride, and photometric measurement at a wavelength of 538 nm.