ISO 805:1976
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ISO 805:1976
5150

Abstract 

Applicable to Fe contents, expressed as Fe2 O3 , equal to or more than 0.005 % (m/m). Specifies the preliminary reduction of iron (III) by means of hydroxylammonium chloride. Formation of the iron(II)-1,10-phenanthroline complex in a buffered (pH value between 3.5 and 4.2). Photometric measurement at a wavelength of about 510 nm. Replaces ISO Recommendation R 805/1968.


General information 

  •  :  Withdrawn
     : 1976-09
  •  : 1
     : 4
  •  : ISO/TC 226 Materials for the production of primary aluminium
  •  :
    71.100.10 Materials for aluminium production

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