Reference number
ISO 805:1976
© ISO 2025
ISO 805:1976
Aluminium oxide primarily used for the production of aluminium — Determination of iron content — 1,10- Phenanthroline photometric method
Edition 1
1976-09
Withdrawn
Withdrawn (Edition 1, 1976)

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

  • Status
     : Withdrawn
    Publication date
     : 1976-09
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 226
    ICS :
    71.100.10 
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