Reference number
ISO 2368:1972
© ISO 2024
ISO 2368:1972
Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
Edition 1
1972-12
Withdrawn
Withdrawn (Edition 1, 1972)

Abstract

The method is applicable to products having a content greater than 0,020 %. The principle consists in dissolution of a test portion by either alkaline or acid fusion. Reduction of the iron(III) by hydroxylammonium chloride. Formation of the iro(II)-1, 10-phenanthroline complex in a buffered medium (pH value between 3,5 and 4,2) Photometric measurement of the coloured complex at a wavelength of about 510 nm.

General information

  • Status
     : Withdrawn
    Publication date
     : 1972-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.50 
  • RSS updates

Life cycle

Got a question?

Check out our Help and Support

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Store
  3. Standards catalogue
  4. ICS
  5. 71
  6. 71.060
  7. 71.060.50
  8. ISO 2368:1972