Crystallographic site distribution and redox activity of Fe in nontronites determined by optical spectroscopy

Clays and Clay Minerals

Volumn 57, Issue 6, 2009, Pages 771-778

  Merola, Rose B ^a   McGuire, Molly M ^a  

^a BUCKNELL UNIVERSITY   (United States)

Author keywords

NAu 1; NAu 2; Nontronites; Optical spectra; Reduction; Tetrahedral Fe(III)

Indexed keywords

ABSORBANCES; CLAY STRUCTURE; CRYSTAL-FIELD TRANSITIONS; CRYSTALLOGRAPHIC SITES; GREEN COLOR; IN-SITU OBSERVATIONS; INITIAL STAGES; INTERVALENCE CHARGE TRANSFER; INVERSE TEMPERATURES; LIQUID NITROGEN TEMPERATURE; NAU-2; NONTRONITES; OCTAHEDRAL SHEETS; OPTICAL ABSORPTION SPECTROSCOPY; OPTICAL SPECTRA; OPTICAL SPECTROSCOPY; REDOX ACTIVITY; REDOX-ACTIVE; REDUCTION PROCESS; SITE DISTRIBUTION; SMECTITES; TEMPERATURE DEPENDENCE; WAVELENGTH RANGES;

CHARGE TRANSFER; CLAY MINERALS; ION EXCHANGE; IRON COMPOUNDS; LIQUID NITROGEN; REDOX REACTIONS; TEMPERATURE DISTRIBUTION;

ABSORPTION SPECTROSCOPY;

ABSORBANCE; ATOMIC ABSORPTION SPECTROSCOPY; CRYSTAL STRUCTURE; CRYSTALLOGRAPHY; NONTRONITE; OPTICAL METHOD; REDOX CONDITIONS; SMECTITE;

EID: 74349098902     PISSN: 00098604     EISSN: None     Source Type: Journal    
DOI: 10.1346/CCMN.2009.0570609     Document Type: Article

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