搜索结果: 1-14 共查到“地质学 Cation-exchange capacity”相关记录14条 . 查询时间(0.055 秒)
Correlation between Cation Exchange Capacity and Geotechnical Properties of Lateritic Soils
Correlation Cation Exchange Capacity Geotechnical Properties Lateritic Soils
2012/3/14
Correlation between Cation Exchange Capacity and Geotechnical Properties of Lateritic Soils.
A METHOD FOR THE DETERMINATION OF THE CATION EXCHANGE CAPACITY OF CLAY MINERALS AND SOILS
CLAY MINERALS SOILS METHOD
2011/11/15
For many purposes it is desirable to have a method for the determination of the cation exchange capacity of clay minerals based on principles as free from ambiguity as possible. Most of the many metho...
Cation-Exchange Capacity (CEC) of Zeolitic Volcaniclastic Materials: Applicability of the Ammonium Acetate Saturation (AMAS) Method
Ammonium Acetate Saturation (AMAS) Method Ammonia Electrode Cation-Exchange Capacity (CEC) Clinoptilolite Greece Kjeldahl Ammonia Distillation
2011/12/7
Abstract: The ammonium acetate saturation (AMAS) method was used to study the cation-exchange capacity (CEC) of zeolitic volcaniclastic materials from Santorini and Polyegos Islands, Greece. The AMAS ...
Cation Exchange Capacity of Kaolinite
Cation Exchange Capacity Edges Exposed (OH) Planes Kaolinite Substitution Surface Charge
2011/12/6
Abstract: Experimental cation exchange capacities (CEC) of kaolinites were determined and compared to theoretical calculations of CEC. The comparison reveals that the exchangeable cations occur mostly...
Cation Exchange Capacity of Layer Silicates and Palagonitized Glass in Mafic Volcanic Rocks: A Comparative Study of Bulk Extraction and In Situ Techniques
Cation Exchange Capacity Corrensite Electron microprobe analysis Extractable cations Palagonite Smectite
2011/12/27
The cation exchange capacities (CEC) and extractable cations in smectite, corrensite and palagonitized glass from hydrothermally-altered pillow lavas and hyaloclastite breccias were measured by both b...
Cation Exchange Capacity and Condition of Zero Charge of Hydroxy-Al Montmorillonite
Cation exchange capacity Pillared clay Point of zero charge
2011/12/29
The effect of interlayering montmorillonite with different amounts ofhydroxy aluminum cation on the cation exchange capacity (CEC) and the point of zero charge (PZC) of the clay was studied. The CEC d...
Quantitative Determination of Clinoptilolite in Soils by a Cation-Exchange Capacity Method
Cation-exchange capacity Clinoptilolite Quantitative mineralogy Smectite Soil Tertbutylammonium Zeolite
2012/1/11
A cation-exchange capacity (CEC) method based on ion-sieving properties was developed for the quantitative determination of clinoptilolite in soils. In this method, both zeolitic and non-zeolitic exch...
Multiple Cation-Exchange Capacity Measurements on Standard Clays Using a Commercial Mechanical Extractor
Apparatus Cation-exchange capacity Ion-exchange method K-fixation Leaching tube 2:1 clay minerals
2011/11/25
Abstract: Sequential cation-exchange capacity (CEC) measurements were obtained from standard clays using a mechanized, variable-rate leaching device. The device consists of a motorized screwjack and a...
Reduction of the Cation-Exchange Capacity of Montmorillonite by Take-Up of Hydroxy-Al Polymers
Cation-exchange capacity Hydroxy-Al polymer Interlayer Montmorillonite Smectite
2012/1/12
The cation-exchange capacity (CEC) of Na-Al- and Ca-Al-montmorillonite after neutralization with NaOH or Ca(OH)2 was studied at three Al levels: 10, 25, and 50% of the CEC. Hydroxy-Al polymers were ef...
Layer Charge-Cation-Exchange Capacity Relationships in Montmorillonite
Cation-exchange capacity Hectorite Hofmann-Klemen effect Layer charge Montmorillonite
2012/2/10
The charge density distribution among different classes of a series of reduced charge montmorillonites is heterogeneous as in the parent Camp Berteau clay. In addition, charge reduction proceeds inhom...
Determination of the Cation-Exchange Capacity (Layer Charge) of Small Quantities of Clay Minerals by Nephelometry
Exchange Microanalysis Nephelometry Smectite
2012/2/9
Nephelometric (light scattering) methods for the determination of Ca and Ba in the 0–30 ppm range, and their application to the estimation of the cation exchange capacity (±10%) of small (≤30 mg) samp...
‘Vermiculite’Determination on Whole Soils by Cation Exchange Capacity Methods
Vermiculite Whole Soils Cation Exchange Capacity
2012/2/15
The proposed method is a modification of one by Alexiades and Jackson (1965). Calcium exchange capacity (CaEC) and potassium exchange capacity (KEC) are determined, after removal of organic matter and...
Determination of the Cation Exchange Capacity of Clays and Soils Using an Ammonia Electrode
Clays and Soils Determination of the Cation Ammonia Electrode
2012/2/15
The ammonia electrode serves as the basis of a simple, accurate method for determination of cation exchange capacity of small (ca. 50 mg) samples of clays. The technique is also capable of accurate me...
Acid Character of Sauconite: Increase in Cation Exchange Capacity on Aging in Water and the Role of Zn2+ and Al3+ Ions
Acid Character Sauconite Increase Cation Exchange Capacity Zn2+ Al3+
2012/2/20
pH- and conductometric titration curves of acid sauconite, freshly prepared by the action of H-resin on sauconite showed four segments, each, where H+, Al3+ and Zn2+ ions and a weak acid reacted with ...