Reference number
ISO 5939:1980
© ISO 2025
International Standard
ISO 5939:1980
Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of water content — Azeotropic distillation (Dean and Stark) method
Edition 1
1980-07
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Published (Edition 1, 1980)
This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 5939:1980

Language
Format
CHF 43
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Abstract

Describes a method comprising the heating of the pitch under reflux with xylene, collection in a receiver of the condensate of xylene and water and measurement of the volume of water which separates out in the graduated part of the receiver. Applies to pitches having water contents in the range between 0,1 and 2 % (m/m).

General information

  • Status
     : Published
    Publication date
     : 1980-07
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 1
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 226
    ICS :
    71.100.10 
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