Journal of Colloid and Interface Science

Items from 1 to 20 out of 41 results

article

Investigation of Electrosorption of Organic Molecules onto Gold and Nickel Electrodes Using an Electrochemical Quartz Crystal Microbalance

Anhong Zhou, Naixian Xie

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 281-287

The adsorption behaviors of two organic molecules, benzoic acid (BA) and 2-butyne-1,4-diol (BD), on metal electrodes have been studied using an electrochemical quartz crystal microbalance (EQCM) combined with the cyclic voltammetry technique. In the range of potentials studied, BA molecules were adsorbed onto an electrodeposited gold electrode with a saturation concentration of 5.0 × 10 ¹⁴ ...

article

II. 1-Monolaurin

Yoshiteru Hayami, Kinsi Motomura

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 374-379

The interfacial tension of a hexane solution of 1-monolaurin against water was measured as a function of temperature and concentration under atmospheric pressure. The thermodynamic quantity changes associated with the adsorption of 1-monolaurin were evaluated and compared with those of the previously reported 1-monomyristin. The decrease of two carbon atoms in the hydrocarbon chain results in a slight...

article

An Application of Percolation Theory to the Electrolyte Penetration through Porous Water-Swollen Cellulose Triacetate Membrane

Tatsuji Murata, Mun-Soo Lee, Akihiko Tanioka

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 250-254

Permeability coefficients P of KCl through porous cellulose triacetate (CTA) membranes were measured as a function of the water volume fraction V _W and diffusion coefficients D were determined using solubility parameters K and a membrane thickness d from the relationship of P = KD/d. D increased with an increase in V _W . D especially increases abruptly around V _W = 0.5, which...

article

Ice/Water Interface: Zeta Potential, Point of Zero Charge, and Hydrophobicity

Jan Drzymala, Zygmunt Sadowski, Lucyna Holysz, Emil Chibowski

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 229-234

The ice/water interface is a common and important part of many biological, environmental, and technological systems. In contrast to its importance, the system has not been extensively studied and is not well understood. Therefore, in this paper the properties of the H ₂ O ice/water and D ₂ O ice/water interfaces were investigated. Although the zeta potential vs pH data points were...

article

The Dielectrophoretic Behavior of Submicron Latex Spheres: Influence of Surface Conductance

Michael P. Hughes, Hywel Morgan, Mary F. Flynn

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 454-457

An analysis of the dielectrophoretic crossover frequency as a function of medium conductivity has been made for submicron spheres with different surface functionalities. It is shown that the AC electrokinetic behavior of the particles can be explained by modeling the surface conductivity of the particle as the sum of two surface conductance components: one due to charge motion behind the slip plane...

article

Cumulative Author Index for Volumes 209–220

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 479-487

article

Preparation of Shell–Core Cu2O–Cu Nanocomposite Particles and Cu Nanoparticles in a New Microemulsion System

C.Y. Wang, Y. Zhou, Z.Y. Chen, B. Cheng, more

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 468-470

Shell–core Cu ₂ O–Cu nanocomposite particles and metal Cu nanoparticles are synthesized in a new microemulsion system which consists of saturated Cu ²⁺ salt aqueous solution dispersed in isopropanol and stabilized by polyvinylalcohol (PVA). The size of the composite particles and the thickness of the Cu ₂ O shell layer can be controlled by the volume ratio of isopropanol to...

article

Roles of Various Bitumen Components in the Stability of Water-in-Diluted-Bitumen Emulsions

Zhoulin Yan, Janet A.W. Elliott, Jacob H. Masliyah

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 329-337

An experimental study was conducted to evaluate the effectiveness of the various components of Athabasca bitumen in stabilizing water-in-diluted-bitumen emulsions. The solvent used to dilute the very viscous bitumen was a mixture of 50:50 by volume of hexane and toluene. The various bitumen components studied were asphaltenes, deasphalted bitumen, and fine solids. It was found that asphaltenes and...

article

Orthokinetic Aggregation in Two Dimensions of Monodisperse and Bidisperse Colloidal Systems

Peter H.F. Hansen, Martin Malmsten, Björn Bergenståhl, Lennart Bergström

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 269-280

Orthokinetic aggregation of colloids trapped at the air–liquid interface was studied by direct imaging in a couette cell. This method allowed us to follow the temporal evolution of both the cluster-mass distribution and the cluster structure at a shear rate where Brownian aggregation is suppressed. The interactions between the monodisperse latex particles floating at the air–liquid interface were...

article

Competitive Adsorption of Chloroform and Iron Ion onto Activated Carbon Fiber

M. Uchida, S. Ito, N. Kawasaki, T. Nakamura, more

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 406-409

Chloroform in tap water has been a significant problem because it may be a carcinogenic substituent. Iron ion exists in tap water because of dissolution from iron water pipes. Iron ions in tap water cause discoloration and a bad odor. The isotherms of chloroform and iron ion adsorption onto activated carbon fibers in a single solution (chloroform or iron ion) and in a binary mixture solution (chloroform...

article

Interaction of Citric or Hydrochloric Acid with Calcium Fluorapatite: Precipitation of Calcium Fluoride

Dwarika Nath Misra

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 387-391

The interaction of citric acid (H ₃ Ci) with calcium fluorapatite(Ca ₁₀ F ₂ (PO ₄ ) ₆ ) was explored for two reasons: (i) to determine the role of the acid in the dissolution process and hence in the mechanism of tooth fluoridation and (ii) to determine whether there is any formation of calcium citrate. It was found that the concentration of calcium or fluoride...

article

Strontium Sorption on Hematite at Elevated Temperatures

Olga N. Karasyova, Ludmila I. Ivanova, Leonid Z. Lakshtanov, Lars Lövgren

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 419-428

Acid–base reactions and surface complexation of Sr(II) at the hematite/water interface have been studied by means of potentiometric titrations at three different temperatures: 25, 50, and 75°C. Equilibrium measurements were performed in 0.1 M NaCl. In the evaluation of equilibrium models for the acid–base reactions and complexation reactions in the three-component system H ⁺ (FeOH)Sr ...

article

Interdependence of Anion and Cation Exchanges in Calcium Hydroxyapatite: Pb2+ and Cl−

S. Sugiyama, N. Fukuda, H. Matsumoto, H. Hayashi, more

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 324-328

The ion exchange of Pb ²⁺ and Cl ⁻ into calcium hydroxyapatite from aqueous solutions is studied at 293 K. Although the exchange of Cl ⁻ into CaHAp and PbHAp was not observed, in the presence of both Pb ²⁺ and Cl ⁻ in aqueous solution the exchange of both Pb ²⁺ and Cl ⁻ into CaHAp occurred, and, at least at intermediate concentrations of HCl,...

article

II. Application to Aqueous Polystyrene Latex Particles of Varying Size

S.A. Ali, M. Sengupta

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 205-218

The theory of diffraction correction for transparent (phase) spherical particles under partially coherent illumination has been applied to the optical photomicrographic determination of particle size distribution for four different nearly monodisperse polystyrene latex samples. The thus corrected particle size distribution for each sample has been compared with the corresponding electron microscopic...

article

Confocal Scanning Laser Microscopy as a Tool for the Determination of 3D Floc Structure

A. Thill, M. Wagner, J.Y. Bottero

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 465-467

Several assumptions are made when confocal scanning laser microscopy is used for the determination of the fractal dimension of aggregates. The purpose of this study is to experimentally show that one of these assumptions, which concerns the relation existing between the structure of an aggregate and that of its sections, is valid. A comparison between the structures of sections and reconstructed 3D...

article

Measurement and Modeling of Th Sorption onto TiO2

Anna-Maria Jakobsson

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 367-373

The sorption and desorption of Th onto TiO ₂ (10 g/L) was studied as a function of pH (1–11), ionic strength (0.005–0.1 M NaCl, NaClO ₄ ), thorium concentration (from 1 × 10 ⁻⁹ to 3 × 10 ⁻² M), and carbonate concentration (up to 10 ⁻² M) using ²³⁴ Th tracer. The results indicate the reversible formation of an inner sphere complex with a strong pH dependence...

article

Silica Coating on Colloidal Maghemite Particles

Michaela Klotz, André Ayral, Christian Guizard, Christine Ménager, more

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 357-361

Maghemite colloidal particles are coated with a silica layer using a silicon alkoxide as silica precursor. The coating process is studied by electrophoresis, quasi-elastic light scattering, nitrogen adsorption, and infrared spectrometry analyses. The conditions of complete coverage of the iron oxide particles by silica and the nature of the maghemite–silica interface are discussed.

article

Kinetics of Oleate Adsorption at a Nigerian Hematite–Water Interface

Ogbonnaya Ofor, A.C.I. Anusiem

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 219-223

The rate of adsorption of oleate soap onto a Nigerian hematite in an aqueous medium was determined from 29 to 60°C using the differential analysis method. The activation energy and frequency factor were determined at 57.1 kJ mol ⁻¹ K ⁻¹ and 4.0 × 10 ³ liter mol ⁻¹ min ⁻¹ , respectively, indicating that the chemical processes are the slow, rate-determining step...

article

Author Index for Volume 220

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 477-478

article

Influence of Fixed Charge Distribution on Ion Mobility: Small Deviations of Equilibrium Potential from Donnan Value

Mykola P. Bondarenko, Vladymir N. Shilov

Journal of Colloid And Interface Science > 1999 > 220 > 2 > 443-453

The influence of the electrostatic interaction on the diffusion coefficients of ions is estimated in the approximation of the slightly varying equilibrium potential. Various assumptions have been considered for the fixed charge distribution, namely, the discrete charge distributed in the bulk, the surface charge, and the linear charge distributed around a macroion. Both the random and regular distributions...

Number:
2
Volume:
220
Year:
1999

Publication date

Set your own date range

Keywords

ADSORPTION (6)
ASPHALTENES (2)
CONFOCAL MICROSCOPY (2)
DIFFUSION COEFFICIENT (2)
DISSOLUTION (2)
DOUBLE LAYER (2)
EXAFS (2)
FRACTAL DIMENSION (2)
KINETICS (2)
POLYSTYRENE PARTICLES (2)
PRECIPITATION (2)
ZETA POTENTIAL (2)
1H NMR (1)
2-BUTYNE-1,4-DIOL (1)
3D RECONSTRUCTION (1)
AB INITIO CALCULATIONS (1)
ACID–BASE BEHAVIOR (1)
ACTIVATED CARBON FIBER (1)
ACTIVATION ENERGY (1)
ACTIVITY (1)
ADSORBED FILM (1)
AGGREGATE (1)
ALKALINE PRECLEANING (1)
ALKYLAMMONIUM SALT (1)
AQUEOUS POLYSTYRENE LATICES (1)
BACTERIA (1)
BENZOIC ACID (1)
BIDISPERSE (1)
BITUMEN (1)
BROAD DISTRIBUTIONS (1)
CALCIUM FLUORIDE (1)
CALCIUM HYDROXYAPATITE (1)
CATION EXCHANGE (1)
CATIONIC (1)
CATIONIC MICELLES (1)
CELLULOSE ACETATE MEMBRANE (1)
CELLULOSE TRIACETATE (1)
CHLOROFORM (1)
CITRIC ACID (1)
CLAY MINERALS (1)
CLEANABILITY (1)
CO (1)
COATING (1)
COBALT (1)
COLLOIDS (1)
COMPETITIVE ADSORPTION (1)
CONTRAST MATCHING (1)
CONVECTIVE-DIFFUSION (1)
CU NANOPARTICLES (1)
CU2O–CU NANOCOMPOSITE PARTICLES (1)
DEMULSIFIERS (1)
DEPOSITION (1)
DEUTERIUM OXIDE (1)
DIFFRACTION CORRECTION (1)
DIFFUSION COEFFICIENTS (1)
DISPERSE SYSTEM (1)
DYNAMIC SCALING (1)
ELECTRICAL INTERACTIONS (1)
ELECTRO-ACOUSTIC WAVES IN COLLOIDS (1)
ELECTRO-OSMOTIC PERMEABILITY (1)
ELECTROCHEMICAL QUARTZ CRYSTAL MICROBALANCE (1)
ELECTROLYTE PENETRATION (1)
ELECTROPHORETIC MOBILITY (1)
ELECTROSORPTION (1)
ELEVATED TEMPERATURE (1)
EMULSION (1)
EMULSION STABILITY (1)
ENTHALPY (1)
ENTHALPY OF DEHYDRATION (1)
ENTROPY (1)
EQUILIBRIUM MODEL (1)
FINE SOLIDS (1)
FITC (1)
FIXED CHARGE (1)
FLUORAPATITE (1)
FREE ENERGY OF MICELLIZATION (1)
FREQUENCY FACTOR (1)
FTIR (1)
FUMED ALUMINA (1)
FUMED ALUMINA/SILICA (1)
FUMED ALUMINA/SILICA/TITANIA (1)
FUMED SILICA (1)
FUMED TITANIA (1)
FUMED TITANIA/SILICA (1)
GLYCINE (1)
GMA–GDMA (1)
HEAVY ICE (1)
HEAVY WATER (1)
HECTORITE (1)
HELICAL SENSE (1)
HELIX MACRODIPOLE (1)
HEMATITE (1)
HEMATITE ADSORPTION (1)
HEMATITE–WATER INTERFACE (1)
HYDROCHLORIC ACID (1)
HYDRODYNAMIC PERMEABILITY (1)
HYDROPHILICITY (1)
HYDROPHILIZATION (1)
HYDROPHOBIC (1)
HYDROPHOBICALLY MODIFIED DEXTRAN (1)
more

INFONA - science communication portal

Journal of Colloid and Interface Science

Investigation of Electrosorption of Organic Molecules onto Gold and Nickel Electrodes Using an Electrochemical Quartz Crystal Microbalance

II. 1-Monolaurin

An Application of Percolation Theory to the Electrolyte Penetration through Porous Water-Swollen Cellulose Triacetate Membrane

Ice/Water Interface: Zeta Potential, Point of Zero Charge, and Hydrophobicity

The Dielectrophoretic Behavior of Submicron Latex Spheres: Influence of Surface Conductance

Cumulative Author Index for Volumes 209–220

Preparation of Shell–Core Cu2O–Cu Nanocomposite Particles and Cu Nanoparticles in a New Microemulsion System

Roles of Various Bitumen Components in the Stability of Water-in-Diluted-Bitumen Emulsions

Orthokinetic Aggregation in Two Dimensions of Monodisperse and Bidisperse Colloidal Systems

Competitive Adsorption of Chloroform and Iron Ion onto Activated Carbon Fiber

Interaction of Citric or Hydrochloric Acid with Calcium Fluorapatite: Precipitation of Calcium Fluoride

Strontium Sorption on Hematite at Elevated Temperatures

Interdependence of Anion and Cation Exchanges in Calcium Hydroxyapatite: Pb2+ and Cl−

II. Application to Aqueous Polystyrene Latex Particles of Varying Size

Confocal Scanning Laser Microscopy as a Tool for the Determination of 3D Floc Structure

Measurement and Modeling of Th Sorption onto TiO2

Silica Coating on Colloidal Maghemite Particles

Kinetics of Oleate Adsorption at a Nigerian Hematite–Water Interface

Author Index for Volume 220

Influence of Fixed Charge Distribution on Ion Mobility: Small Deviations of Equilibrium Potential from Donnan Value

Filter options

Publication date

Keywords

INFONA - science communication portal

Journal of Colloid and Interface Science

Add recipient

Sending message cancelled

Are you sure you want to cancel sending this message?

Send message

Filter options

Publication date

Date range setting

Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.

Keywords

Reporting an error / abuse

Sending the report failed

Accessibility options