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Cation Migration in Smectite Minerals: Electron Spin Resonance of Exchanged Fe3+ Probes
Electron spin resonance Hofmann-Klemen effect Ion migration Iron Laponite Montmorillonite Mossbauer spectroscopy
2012/1/5
The migration of interlayer Fe3+ cations into the structure of heated montmorillonite and Laponite has been studied by electron spin resonance (ESR), M鰏sbauer spectroscopy, and magnetic susceptibility...
Effect of Adsorbed Iron on Thermoluminescence and Electron Spin Resonance Spectra of Ca-Fe-Exchanged Montmorillonite
Electron spin resonance Iron Montmorillonite Surface adsorption Thermoluminescence
2012/1/13
The electron spin resonance (ESR) spectra and the natural and gamma-induced thermoluminescence (TL) glow curves of a series of variably cation-exchanged Fe-Ca-clays prepared from SWy-1 montmorillonite...
Chemisorption of Copper on Hydroxy-Aluminum-Hectorite: An Electron Spin Resonance Study
Adsorption Aluminum Copper Electron spin resonance Hectorite Hydroxy-aluminum complex
2012/2/6
Copper adsorption on a hydroxy-aluminum-hectorite complex (OH-Al-hectorite) at pH 4.5, 5.7, 7.4, and 7.8 was examined by means of electron spin resonance. The spectra of these samples were compared to...
Hydration State of Cu2+ in Mixed Cu2+-Hexadecylpyridinium Montmorillonite by Electron Spin Resonance
Cation exchange Copper Electron spin resonance Hexadecylpyridinium Hydration Montmorillonite
2012/2/6
Electron spin resonance (ESR) spectra of Cu2+-hexadecylpyridinium (HDP) montmorillonites were investigated as a function of HDP+ content and the hydration state of Cu2+ at relative humidities of p/p0 ...
Electron Spin Resonance Studies of Iron Oxides Associated with the Surface of Kaolins
Goethite Hematite Iron Kaolin Lepidocrocite
2012/2/10
The different types of iron oxide phases associated with the surfaces of two suites of kaolins from Georgia, U.S.A., and from the Southwest Peninsula of England, have been identified using electron sp...