Објављен
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.
ОБЈАВЉЕН
ISO 3091:1975
90.93
Одлука о потврђивању стандарда
5. 9. 2018.
Meso i proizvodi od mesa - Određivanje sadržaja nitrata (Referentna metoda) - (Identičan sa ISO 3091:1975)
90.93 Одлука о потврђивању стандарда