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Effect of Oxidation and Reduction on Potassium Exchange of Biotite
Oxidation Reduction Potassium Exchange Biotite
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2012/2/15
The selectivity of K over Ca of Amelia biotite increased sharply upon oxidation by H2O2 at pH 6·0. This increase in K selectivity was only partially reversible upon reduction by Na2S2O4. Oxidation by ...
Effect of Particle Thickness on Potassium Exchange from Phlogopite
Particle Thickness Potassium Exchange Phlogopite
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2012/2/15
Rates of exchange of K with Ca for fine (0·2–2μm) and coarse (54–75μm) and for thin and thick (37–45μm) phlogopite particles were determined using a repeated batch technique, which gave a measure of K...
Relation of Potassium Exchange and Fixation to Degree of Weathering and Organic Matter Content in Micaceous Clays of Podzol Soils
Potassium Exchange Degree Weathering Organic Matter Content Micaceous Clays
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2012/2/20
The rates of K exchange of untreated and peroxide-treated micaceous clays from five Podzol soils of increasing degrees of weathering were determined using sodium tetraphenyl boron. In addition, the am...