标准摘要
[中文适用范围]： 描述了一种方法，包括在回流下用二甲苯加热沥青，在接收器中收集二甲苯和水的冷凝物，并测量在接收器的刻度部分中分离出的水的体积。 适用于含水量在 0.1 至 2 % (m/m) 之间的沥青。 [外文原描述]： 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).
英文名称Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of water content — Azeotropic distillation (Dean and Stark) method