[1] J. González, “Evaluation of the Impact of Climatic Change on the Economic Value of Land in Agricultural,” Journal of Agricultural Research, Vol. 68, 2007, pp. 56-68.
[2] S. M. Rob-inson and J. R. Parrott Jr., “Pilot-Scale Demonstration of Pro-cess Wastewater Decontamination Using Chabazite Zeolites,” Technical Report, 1989, ORNL/ TM-10836.
[3] I. De la Ro-sa-Gómez, M. T. Olguín and D. Alcántara, “Silver-Modified Mexican Clinoptilolite-Rich Tuffs with Various Particle Sizes as Antimicrobial Agents against Escherichia coli,” Journal of the Mexican Chemical Society, Vol. 54, No. 3, 2010, pp. 139-142.
[4] F. Granados-Correa, N. G. Corral-Capulin, M. T. Olguin and C. A. Acosta-Leon, “Comparison of the Cd(II) Adsoption Process between Boehmite (γ-AlOOH) and Goethite (α-FeOOH),” Chemical Engineering Journal, Vol. 171, No. 3, 2011, pp. 1027-1034. Hdoi:10.1016/j.cej.2011.04.055
[5] F. Granados-Correa and J. Serrano-Gomez, “Removal of Chromium Hexavalentions from Aqueous Solution by Retention onto Iron Phosphate,” Journal of the Chilean Chemical Society, Vol. 3, 2010, pp. 283-287.
[6] J. Kreuter, “Nanoparticles—A Historical Perspective,” Interna-tional Journal of Pharmaceutics, Vol. 331, 2007, pp. 1-10.
[7] R. Barrena, E. Casals, J. Colón, X. Font, A. Sánchez and V. Puntes, “Evaluation of the Ecotoxicity of Model Nanoparticles,” Chemosphere, Vol. 75, No. 7, 2009, pp. 850-857. Hdoi:10.1016/j.chemosphere.2009.01.078
[8] T. Mathialagan and T. Viraraghavan, “Adsorption of Cadmium from Aqueous Solutions by Vermiculite,” Separation Science and Technology, Vol. 38, No. 1, 2003, pp. 57-76. Hdoi:10.1081/SS-120016698
[9] K. Sasakia, H. Nakano, W. Wilopo, Y. Miura and T. Hirajima, “Sorption and Speciation of Arsenic by Zero-Valent Iron,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 347, No. 1-3, 2009, pp. 8-17. Hdoi:10.1016/j.colsurfa.2008.10.033
[10] A. S. de Dios and M. E. Díaz-García, “Multifunctional Nanoparticles: Analytical Prospects,” Analytica Chimica Acta, Vol. 666, No. 1-2, 2010, pp. 1-22. Hdoi:10.1016/j.aca.2010.03.038
[11] B. F. Alfonso, J. A. Blanco, M. T. Fernández-Díaz, C. Trobajo , S. A. Khainakov and J. R. García, “On the Crystal Structure and Thermal Decomposition of Ammonium-Iron(III) Bis (Hydrogenphosphate),” Dalton Transactions, Vol. 39, No. 7, 2010, pp. 1791-1796. Hdoi:10.1039/b912427f
[12] J.-W. Huang, P. Su, W.-W. Wu and X.-H. Wu, “Preparation and Characterization of Nanocrystalline KFeP2O7 via Solid-State Reaction at Low Heat,” Applied Chemical Industry, Vol. 40, 2011.
[13] J. S. Noh and J. A. Schwartz, “Estimation of the Point of Zero Charge [pzc] of Simple Oxides by Mass Titration,” Journal of Colloid and Interface Science, Vol. 130, No. 1, 1989, pp. 157-164. Hdoi:10.1016/0021-9797(89)90086-6
[14] L. C. Bell, A. M. Posner and J. B. Quirk, “The Point of Zero Charge of Hydroxyapatite and Fluorapatite in Aqueous Solutions,” Journal of Colloid and Interface Science, Vol. 42, No. 2, 1973, pp. 250-256. Hdoi:10.1016/0021-9797(73)90288-9
[15] M. Gabelica-Robert, M. Goreaud, Ph. Labbe and B. Raveau, “The Pyrophosphate NaFeP2O7: A Cage Structure,” Journal of Solid State Chemistry, Vol. 45, No. 3, 1982, pp. 389-395. Hdoi:10.1016/0022-4596(82)90184-0
[16] D. Riou, P. Labbe and M. Goreaud, “The Diphosphate KFeP2O7: Structure and Possibilities for Insertion in the Host Framework,” Revue Chimie Minérale, Vol. 25, No. 2, 1988, pp. 215-229.