It is pointed out that at the best acidity of pH 3 and for the resin with balanced adsorbing volume of 20.0436mg/g,the best adsorbing temperature is 40 degree Celsius and the time needed for attaining the greatest balanced adsorbing volume is 35 minutes.

• 研究了Cyanex 272对稀土离子的吸附特性；其吸附的最佳pH值为3；平衡时吸附容量为20.；0436mg/g树脂；最佳吸附温度为40℃；达到最大吸附容量平衡时仅需要35min。