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

Document Number: ISO 3091:1975
File Size: 983 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

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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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