ISO 5517:1978
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ISO 5517:1978
11571

Abstract

 Preview

The method consists in decomposing the organic matter, followed by reduction of trivalent iron by hydroxyammonium chloride, forming, in a buffered medium, of the stable iron(II)/1,10 phenanthroline complex, and photometric measuring of the red-coloured complex at a wavelength of 508 nm.


General information 

  •  :  Published
     : 1978-05
  •  : 1
     : 3
  •  : ISO/TC 34/SC 3 Fruits and vegetables and their derived products
  •  :
    67.080.01 Fruits, vegetables and derived products in general

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std 2 38 Paper
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