ISO 5939-1980 铝生产用碳素材料 电极用沥青 水含量的测定 共沸蒸馏(Dean and Stark)法
ISO 5939-1980 标准详情
- 标准号:ISO 5939-1980
- 中文标题:铝生产用碳素材料 电极用沥青 水含量的测定 共沸蒸馏(Dean and Stark)法
- 英文标题:Carbonaceous materials for the production of aluminium; Pitch for electrodes; Determination of water content; Azeotropic distillation (Dean and Stark) method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1980-07
内容简介
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
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