ISO 7100:1983
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ISO 7100:1983
13685

Abstract 

A yellow complex is formed by reaction of the vanadium present in a test portion with phosphoric acid and sodium tungstate in acid medium. The spectrometric measurement of the absorbance is carried out at a wavelength of about 425 nm. The method is applicable to products having a vanadium content equal to or greater than 3 mg/kg.


General information 

  •  :  Withdrawn
     : 1983-06
  •  : 1
     : 2
  •  : ISO/TC 47 Chemistry
  •  :
    67.220.20 Food additives
    71.060.30 Acids

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