The yttrium chloride was dehydrated by acetic anhydride[(CH 3CO) 2O]. The method was simple,less pollution and easy operation.

• 在YCl3·6H2 O脱水制备YCl3 的过程中 ,采用醋酸酐脱水法 ,具有方法简单 ,污染小 ,且易于操作等特点