ISO 6791:1981 制铝用碳质材料.电极用沥青.喹啉不溶物含量的测定

标准编号：ISO 6791:1981

中文名称：制铝用碳质材料.电极用沥青.喹啉不溶物含量的测定

英文名称：Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of contents of quinoline-insoluble material

发布日期：1981-11

标准范围

指定用于测定的常规重量分析方法。在烧杯中用喹啉在70至80°C的温度下处理供试品15至20分钟。然后将溶解的供试品和残留物带到装有过滤垫的Hartley漏斗中，并进行过滤。对过滤垫上清洗和干燥的残留物进行称重。

Specifies a conventional gravimetric method for the determination. A test portion ist reated with quinoline in a beaker at 70 to 80 °C 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.

标准预览图