ISO 5932:1980
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ISO 5932:1980
12126

Abstract 

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.


General information 

  •  :  Withdrawn
     : 1980-11
  •  : 1
     : 4
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.01 Inorganic chemicals in general

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