Keyphrases
Acid Clay
12%
Acid Dissolution
11%
Acid Treatment
59%
Amorphous Silica
11%
Bending Vibration
11%
Bentonite
23%
Bioreduction
10%
Cation Exchange Capacity
11%
Chemical Composition
13%
Clay
12%
Clay Minerals
69%
Dioctahedral
11%
Dissolution Rate
12%
Fe Content
12%
Fe(II)
25%
Fe(III)
12%
Ferrihydrite
21%
Fine Fraction
12%
Fourier Transform Infrared Spectroscopy (FT-IR)
11%
Hydrogen Bonds (H-bonds)
10%
Illinois
21%
Illite
13%
Inert Atmosphere
13%
Iron Oxide
29%
Kaolin
19%
Kaolinite
32%
Layer Charge
16%
Loess
12%
Mid-infrared
17%
Montmorillonite
57%
Mssbauer
16%
Natural Matrices
11%
Near-infrared
16%
Near-infrared Spectroscopy
32%
Near-infrared Spectrum
14%
Near-IR
12%
Nitrate
13%
Nitrate Reduction
12%
Nontronite
29%
Organoclay
16%
Overtone
11%
Redox
26%
Redox Cycle
19%
Redox Cycling
12%
Redox-sensitive
12%
Silica
11%
Slovakia
33%
Smectite
56%
Structural Fe(II)
34%
Subsurface Sediments
19%
Earth and Planetary Sciences
Accumulation Rate
6%
Acid Mine Drainage
9%
Alkalinity
9%
Anhydrite
5%
Atmospherics
5%
Atomic Emission Spectroscopy
9%
Bending Vibration
6%
Bentonite
15%
Boom Clay
9%
Calcium Phosphate
9%
Clay Mineral
94%
Coal Mine
9%
Czech Republic
9%
Dolomite
6%
Electron Energy
6%
Energy Dissipation
6%
Ferrihydrite
11%
Fluorapatite
6%
Foitite
6%
FTIR Spectroscopy
5%
Goethite
5%
Harmonics
8%
Heat Treatment
9%
Illinois
20%
Illite
18%
Infrared Radiation
11%
Infrared Spectroscopy
28%
Interlayer
16%
Ion Exchange
5%
Iron
36%
Kaolinite
19%
Last Glacial
9%
Mineralogy
11%
Montmorillonite
100%
Nontronite
24%
Norway
9%
Octahedron
12%
Organoclay
12%
Oxic Condition
9%
Polycyclic Aromatic Hydrocarbon
9%
Pyrrhotite
6%
Sand-Kaolin
9%
Slovakia
31%
Soil Quality
9%
Spectroscopic Analysis
9%
Transmission Electron Microscopy
8%
United States of America
10%
Washington
12%
X Ray Diffraction
25%
X-Ray Fluorescence Spectroscopy
6%