Codes & Standards - Purchase
ISO 3091:1975
Meat and meat products -- Determination of nitrate content (Reference method)
SKU: iso_008231_102690
Published by ISO
Publication Year 1975
1 Edition
5 pages
Product Details
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.