Study by XPS of different conditioning processes to improve the cation exchange in clinoptilolite

D. Ruiz-Serrano; M. Flores-Acosta; E. Conde-Barajas; D. Ramírez-Rosales; J. M. Yáñez-Limón; R. Ramírez-Bon

doi:10.1016/j.molstruc.2010.07.007

Study by XPS of different conditioning processes to improve the cation exchange in clinoptilolite

D. Ruiz-Serrano, M. Flores-Acosta, E. Conde-Barajas, D. Ramírez-Rosales, J. M. Yáñez-Limón, R. Ramírez-Bon

Escuela Superior de Física y Matemáticas (ESFM)

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

We report the X-ray photoelectron spectroscopy (XPS) analysis of natural clinoptilolite from a mine in Sonora, México. From these measurements we determined the chemical state and binding energy of the elements in the zeolite framework and of those in the extra framework sites. The analysis was done on natural clinoptilolite and on cation-exchanged clinoptilolites with Na ⁺ and NH₄⁺ ions. Complementary analysis by several experimental techniques was performed to determine the structural, chemical composition and chemical state modifications experimented by clinoptilolite samples processed by the two types of cation exchange. The clinoptilolite samples were studied by X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) to determine their structural composition, Energy Dispersive Spectroscopy (EDS) to measure the chemical composition and electronic paramagnetic resonance (EPR) spectroscopy to determine the chemical state of iron inside the natural zeolites.

Original language	English
Pages (from-to)	149-155
Number of pages	7
Journal	Journal of Molecular Structure
Volume	980
Issue number	1-3
DOIs	https://doi.org/10.1016/j.molstruc.2010.07.007
State	Published - 10 Sep 2010

Keywords

Binding energy
Cation exchange
Chemical composition
Clinoptilolite
Photoelectron spectroscopy
Zeolites

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10.1016/j.molstruc.2010.07.007

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abstract = "We report the X-ray photoelectron spectroscopy (XPS) analysis of natural clinoptilolite from a mine in Sonora, M{\'e}xico. From these measurements we determined the chemical state and binding energy of the elements in the zeolite framework and of those in the extra framework sites. The analysis was done on natural clinoptilolite and on cation-exchanged clinoptilolites with Na + and NH4+ ions. Complementary analysis by several experimental techniques was performed to determine the structural, chemical composition and chemical state modifications experimented by clinoptilolite samples processed by the two types of cation exchange. The clinoptilolite samples were studied by X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) to determine their structural composition, Energy Dispersive Spectroscopy (EDS) to measure the chemical composition and electronic paramagnetic resonance (EPR) spectroscopy to determine the chemical state of iron inside the natural zeolites.",

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AU - Ruiz-Serrano, D.

AU - Flores-Acosta, M.

AU - Conde-Barajas, E.

AU - Ramírez-Rosales, D.

AU - Yáñez-Limón, J. M.

AU - Ramírez-Bon, R.

PY - 2010/9/10

Y1 - 2010/9/10

N2 - We report the X-ray photoelectron spectroscopy (XPS) analysis of natural clinoptilolite from a mine in Sonora, México. From these measurements we determined the chemical state and binding energy of the elements in the zeolite framework and of those in the extra framework sites. The analysis was done on natural clinoptilolite and on cation-exchanged clinoptilolites with Na + and NH4+ ions. Complementary analysis by several experimental techniques was performed to determine the structural, chemical composition and chemical state modifications experimented by clinoptilolite samples processed by the two types of cation exchange. The clinoptilolite samples were studied by X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) to determine their structural composition, Energy Dispersive Spectroscopy (EDS) to measure the chemical composition and electronic paramagnetic resonance (EPR) spectroscopy to determine the chemical state of iron inside the natural zeolites.

AB - We report the X-ray photoelectron spectroscopy (XPS) analysis of natural clinoptilolite from a mine in Sonora, México. From these measurements we determined the chemical state and binding energy of the elements in the zeolite framework and of those in the extra framework sites. The analysis was done on natural clinoptilolite and on cation-exchanged clinoptilolites with Na + and NH4+ ions. Complementary analysis by several experimental techniques was performed to determine the structural, chemical composition and chemical state modifications experimented by clinoptilolite samples processed by the two types of cation exchange. The clinoptilolite samples were studied by X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) to determine their structural composition, Energy Dispersive Spectroscopy (EDS) to measure the chemical composition and electronic paramagnetic resonance (EPR) spectroscopy to determine the chemical state of iron inside the natural zeolites.

KW - Binding energy

KW - Cation exchange

KW - Chemical composition

KW - Clinoptilolite

KW - Photoelectron spectroscopy

KW - Zeolites

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U2 - 10.1016/j.molstruc.2010.07.007

DO - 10.1016/j.molstruc.2010.07.007

M3 - Artículo

SN - 0022-2860

VL - 980

SP - 149

EP - 155

JO - Journal of Molecular Structure

JF - Journal of Molecular Structure

IS - 1-3

ER -

Study by XPS of different conditioning processes to improve the cation exchange in clinoptilolite

Abstract

Keywords

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