ISO-5939 › Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of water content -- Azeotropic distillation (Dean and Stark) method

ISO-5939 - 1ST EDITION - CURRENT


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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).

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71.100.10 (Materials for aluminium production)

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Document Number

ISO 5939:1980

Revision Level

1ST EDITION

Status

Current

Publication Date

July 15, 1980

Committee Number

ISO TC 47/SC 7