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X-ray Diffraction Studies of Illite/Smectite from Rocks, < 1 祄 Randomly Oriented Powders, and < 1 祄 Oriented Powder Aggregates: The Absence of Laboratory-Induced Artifacts
Artifacts Illite/smectite Powder X-ray diffraction Sample preparation Turbostratic X-ray coherence
2011/12/31
X-ray diffraction patterns were obtained from rock fragments, < 1 祄 randomly oriented freeze-dried powders, and < 1 祄 oriented aggregates for 11 mixed-layered illite/smectite samples (K-bentonites) th...
Determination of Surface Areas of Mineral Powders by Adsorption Calorimetry
Adsorption calorimetry α-Alumina n-Butanol Fracture-filling minerals Surface area
2012/1/4
Adsorption calorimetry was used to develop a method for determining the surface area of low-surface-area materials (< 1 m2/g), which required no pretreatment of the surface, such as outgassing at elev...
The Influence of the Christiansen Effect on I.R. Spectra of Powders
Christiansen I.R. Spectra Powders
2012/2/15
The Christiansen effect appears in the i.r. spectrum of powders embedded in a solid, liquid or air matrix as an apparently anomalous transmittance (Christiansen peak) of the incident electromagnetic r...