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
Reference number
ISO 5939:1980
ISO 5939:1980
Edición 1
1980-07
1980-07
© ISO 2024
International Standard
p
ISO 5939:1980
12133
No disponible en español
Publicado
(Edición 1, 1980)
Esta norma se revisó y confirmó por última vez en 2020.
Por lo tanto, esta versión es la actual.
Resumen
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).
Informaciones generales
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Estado: PublicadoFecha de publicación: 1980-07Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 5
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Comité Técnico :ISO/TC 226ICS :71.100.10
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