Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of content of toluene-insoluble material
铝生产用碳质材料——电极沥青——甲苯不溶物含量的测定
发布日期:
1980-11-01
规定了一种重量分析法,其原理是称量沥青试验部分中在沸腾一段时间后不溶于甲苯的部分。
Specifies a gravimetric method, the principle of which consists in weighing the fraction of a test portion of pitch which is insoluble in toluene after boiling for a specified period.