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sklademVydáno: 1975
ISO 3091:1975
ISO 3091:1975-Meat and meat products — Determination of nitrate content (Reference method)
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Anglicky PDF
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49.33 €
Francouzsky PDF
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49.33 €
Anglicky Hardcopy
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49.33 €
Francouzsky Hardcopy
In stock
49.33 €
| Označení normy: | ISO 3091:1975 |
| Počet stran: | 5 |
| Vydání: | 1 |
| Vydáno: | 1975 |
| Počet stran (Anglicky): | 5 |
| Počet stran (Francouzsky): | 5 |
DESCRIPTION
ISO 3091:1975
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.