Concentration polarization-based nonlinear electrokinetics in porous media: Induced-charge electroosmosis

Article Abstract:

A study to investigate induced-charge electroosmotic flow in a fixed bed of ion-permselective glass beads by quantitative confocal laser scanning microscopy is conducted. The results reveal that the generation of the nonequilibrium electrical double layer in the depleted charge polarization zones and the adjoining anodic hemispheres of the glass-beads above critical field strength.

Electrokinetics, Electro-osmosis, Electroosmosis

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Synthesis, structure, and reactivity of a new Ti-containing microporous/mesoporous material

Article Abstract:

A new class of porous, mixed phase titanisilicate materials containing a microporous TS-1 phase and a mesoporous Ti-MCM-48 phase were synthesized. A novel, one-pot synthesis method was used in which the organic templates for the mesoporous and microporous phases were added sequentially to the same reaction mixture followed by crystallization at 150 degree Celsius.

Crystallization, Titanium compounds

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New evidence of confinement effects in mesoporous materials and the definition of confined pitzer acentric factors

Article Abstract:

The corresponding states principle is proposed as a new approach to clarify the comparison between absoprtion-desorption isotherms obtained on porous solids. The applicability of the principle at the capillary critical point in adsorption-desorption isotherms is demonstrated.

Critical point, Critical points (Physics)

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