ISO 3091:1975
$13.00
Meat and meat products — Determination of nitrate content (Reference method)
| Published By | Publication Date | Number of Pages |
| ISO | 1975-09 | 8 |
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.
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