标准摘要
[中文适用范围]： 指定用于测定的常规重量分析方法。 将测试部分与喹啉一起在烧杯中在70至80℃下反应15至20分钟。 然后将溶解的测试部分和残余物放入装有过滤垫的Hartley漏斗中并过滤。 称重过滤垫上洗涤并干燥的残留物。 [外文原描述]： 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.
英文名称Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of contents of quinoline-insoluble material