Objavljen
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.
OBJAVLJEN
ISO 3091:1975
90.20
Početak postupka preispitivanja standarda
15. 7. 2023.
Meso i proizvodi od mesa - Određivanje sadržaja nitrata (Referentna metoda) - (Identičan sa ISO 3091:1975)
90.20 Početak postupka preispitivanja standarda
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