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ISO 5939:1980

Current Revision

Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of water content -- Azeotropic distillation (Dean and Stark) method

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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).


SDO ISO: International Organization for Standardization
Document Number ISO 5939
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47/SC 7
Publish Date Document Id Type View
Not Available ISO 5939:1980 Revision