Meat and meat products — Determination of nitrite content (Reference method)
NORMA vydána dne 1.9.1975
Designation standards: ISO 2918:1975
Publication date standards: 1.9.1975
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Kategorie: Technické normy ISO
Description / Abstract: 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.