90.93 Standard confirmed Feb 20, 2024
ISO
ISO/TC 34/SC 6 Meat, poultry, fish, eggs and their products
International Standard
67.120.10 Meat and meat products
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.
PUBLISHED
ISO 2918:1975
90.93
Standard confirmed
Feb 20, 2024