Résumé
Describes a method applicable to products having cobalt contents equal to or greater than 0,1 mg/kg. The principle of determination is based on dissolution of a test portion, formation of the coloured cobalt 2-nitrose-1-naphtol complex, extraction with chloroform and photometric measurement at a wavelength of about 530 nm.
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État actuel: AnnuléeDate de publication: 1980-11
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Edition: 1Nombre de pages: 4
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- ICS :
- 71.060.01 Chimie minérale en général
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