ISO 6791-1981 铝生产用碳素材料 电极用沥青 喹啉不溶物含量的测定

标准号：ISO 6791-1981
中文标准名称：铝生产用碳素材料 电*用沥青 喹啉不溶物含量的测定
英文标准名称：Carbonaceous materials for the production of aluminium; Pitch for electrodes; Determination of contents of quinoline-insoluble material
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：Specifies a conventional gravimetric method for the determination. A test portion ist reated with quinoline in a beaker at 70 to 80 鳦 for 15 to 20 min. Then the dissolved test portion and the residue are brought to a Hartley funnel fitted with a filter pad, and are filtered. The washed and dried residue on the filter pad is weighed.