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

标准号：ISO 5939-1980
中文标准名称：铝生产用碳素材料 电*用沥青 水含量的测定 共沸蒸馏(Dean and Stark)法
英文标准名称：Carbonaceous materials for the production of aluminium; Pitch for electrodes; Determination of water content; Azeotropic distillation (Dean and Stark) method
标准类型：Q52;E43
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Q52;E43
国际标准分类号：71.100.10
适用范围：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).