Synthesis of Al1.75Fe1.25(PO4)3 and its Selectivity to Li+ Exchange


Article Preview

The ion-exchanger Al1.75Fe1.25(PO4)3 of spinel type was prepared by means of the solid state reaction crystallization method. Its ion-exchange properties for alkali ions such as saturation capacity of exchange and distribution coefficient were determined. Al1.75Fe1.25(PO4)3 was characterized by virtue of X-ray diffraction method. This inorganic ion-exchanger (Al1.75Fe1.25(PO4)3) has the saturation capacity of exchange for Li+ higher than those for other alkali ions, the saturation capacity of exchange for Li+ reaches to 7.1mmol/g, AlFe-720(H) has a higher selectivity of ion exchange for Li+ than for other alkali ions. These result show AlFe-720 (H) has better memory and selectivity of ion exchange, and higher capacity of ion exchange for Li+. It is a kind of prospective ionic sieve for Li+.



Advanced Materials Research (Volumes 490-495)

Edited by:

Ran Chen and Wen-Pei Sung






J. H. Jiang "Synthesis of Al1.75Fe1.25(PO4)3 and its Selectivity to Li+ Exchange", Advanced Materials Research, Vols. 490-495, pp. 3703-3706, 2012

Online since:

March 2012





[1] Jang J.H.; Dong D.Q.; Cheng G. H.; Liu J.Q.; Li J. Li+ extraction/insertion reaction with Mg2Mn0. 5Ti0. 5O4 inverse spinel in the aqueous phase, J. Rare Metal, 2007, 26(6), 121.

[2] Y.F. Liu, Kenta Ooi: Inoranic ion exchanger with ion-memery ability, J. Ion Exchange and Adsorption. 1994, 10(3), 246.

[3] D.Q. Dong, J. Zhong, D.L. Liu, Y.F. Liu: LiCu0. 5Mn1. 5O4 synthesis and Li+ extraction/reaction with it in the aqueous phase, J. China Journal of Applied Chemistry . 1998, 15(3), 11.

[4] Zhong h. Prpperty of H2TiO3 type ion-exchangers and extraction of lithium from brine of natural gas wells J. Chinese Journal of Applied Chemistry. 2000, 17(3), 307.

In order to see related information, you need to Login.