ISO 3091:1975

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

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

67.120.10

Statut:

Publié

Date de Publication:

1975-08-31

Numéro Standard:

ISO 3091:1975