Weak Electrolyte Dependence in the Repulsion of Colloids at an Oil–Water Interface

Langmuir ◽  
2014 ◽  
Vol 30 (10) ◽  
pp. 2670-2675 ◽  
Author(s):  
Christopher L. Wirth ◽  
Eric M. Furst ◽  
Jan Vermant
Keyword(s):  
Water Interface ◽  
Weak Electrolyte ◽  
Oil Water

Porous materials from cellulose nanocrystal and mxene surfactants at the oil/water interface

2020 ◽  
Author(s):  
Bingqing qian ◽  
Haiqiao Wang ◽  
Dong Wang ◽  
Hao-Bin Zhang ◽  
Jessica Wu ◽  
...  
Keyword(s):  
Porous Materials ◽  
Cellulose Nanocrystal ◽  
Water Interface ◽  
Oil Water

Polarizability and nonpolarizability of oil-water interfaces with relevance to a.c. impendance measurements

1991 ◽  
Vol 56 (1) ◽  
pp. 112-129 ◽  
Author(s):  
Takashi Kakiuchi ◽  
Mitsugi Senda
Keyword(s):  
Charge Transfer ◽  
Numerical Calculation ◽  
Supporting Electrolyte ◽  
Water Interface ◽  
Migration Effect ◽  
Ac Current ◽  
Stationary Interface ◽  
Oil Water ◽  
Anion Transfer

We have estimated the degree of polarizability of a polarized oil-water interface used as a working interface and that of the nonpolarizability of a nonpolarized interface used as a reference oil-water interface from the numerical calculation of dc and ac current vs potential behavior at both interfaces. Theoretical equations of dc and ac currents for simultaneous cation and anion transfer of supporting electrolytes have been derived for the planar stationary interface for reversible and quasi-reversible cases. In the derivation, the migration effect and the coupling of the cation and anion transfer have been incorporated. The transfer of ions constituting a supporting electrolyte contributes to the total admittance of the interface even in the region where the interface may be considered as polarized in dc sense, as pointed out first by Samec et al. (J. Electroanal. Chem. 126, 121 (1981)). Moreover, the reference oil-water interface is not ideally reversible, so that the contribution from this interface to the measured admittance cannot be negligible, unless the area of the reference oil-water interface is much larger than that of the working oil-water interface. The effect of non-ideality of the reference oil-water interface on the determination of double layer capacitances and kinetic parameters of charge transfer at the working oil-water interface has been estimated.

Metal–Phenolic Network Covering on Zein Nanoparticles as a Regulator on the Oil/Water Interface

2020 ◽  
Vol 68 (31) ◽  
pp. 8471-8482
Author(s):  
Di Wu ◽  
Yalei Dai ◽  
Yunan Huang ◽  
Jin Gao ◽  
Hongshan Liang ◽  
...  
Keyword(s):  
Water Interface ◽  
Oil Water

Structure and interfacial adsorption behavior of soy hull polysaccharide at the oil/water interface as influenced by pH

2021 ◽  
Vol 116 ◽  
pp. 106638
Author(s):  
Danni Qu ◽  
Shengnan Wang ◽  
Hekai Zhao ◽  
He Liu ◽  
Danshi Zhu ◽  
...  
Keyword(s):  
Adsorption Behavior ◽  
Water Interface ◽  
Soy Hull ◽  
Oil Water ◽  
Interfacial Adsorption

Performance of alkali-free natural petroleum sulfonates: Ultra-low interfacial tension on oil/water interface

2015 ◽  
Vol 93 (8) ◽  
pp. 1410-1415 ◽  
Author(s):  
Zhan Weng ◽  
Peng-Yuan Zhang ◽  
Guang-Wen Chu ◽  
Wei Wang ◽  
Jimmy Yun ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Water Interface ◽  
Low Interfacial Tension ◽  
Oil Water
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