Determination of the surface tension of surfactant solutions applying the method of Lecomte du Noüy (ring tensiometer)

Lunkenheimer, Klaus; Wantke, K. D.

doi:10.1007/bf01524716

Cited by 211 publications

(106 citation statements)

References 20 publications

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“…A digital Kruess tensiometer was used interfaced with a computer. The surface tension was usually followed till the attainment of its equilibrium value, which in some cases was more than 4 h. All the precautions were taken according to the literature to ensure reliable results (22). The accuracy of the measurements was ±0.1 mN/m.…”

Section: Methodsmentioning

confidence: 99%

Aqueous Solutions of Sodium Deoxycholate and Hydroxypropylmethylcellulose: Dynamic Surface Tension Measurements

Avranas

Tasopoulos

2000

Journal of Colloid and Interface Science

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Section: Methodsmentioning

confidence: 99%

Aqueous Solutions of Sodium Deoxycholate and Hydroxypropylmethylcellulose: Dynamic Surface Tension Measurements

Avranas

Tasopoulos

2000

Journal of Colloid and Interface Science

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“…The precautions necessary for applying this method to surfactant solutions were taken according to the literature [16]. The accuracy of the measurement was &O.…”

Section: Methodsmentioning

confidence: 99%

The effect of the removal of trace impurities on the adsorption behavior of octanoic acid at mercury–solution and at air–solution interfaces

Avranas¹,

Retter²,

Lunkenheimer³

et al. 1996

Electroanalysis

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In this article we explore the kinetics of adsorption of octanoic acid at the mercury-water interface using phase sensitive AC voltammetry. These measurements were performed before and after stepwise purification of the octanoic acid solution, in order to distinguish between the adsorption behavior of the octanoic acid and its impurities. The adsorption of both octanoic acid and the surface active impurities decrease the capacitance with time. Removing the latter during the purification procedure results in a faster achievement of the equilibrium state and in higher capacitance values. The adsorption was also studied at the air-water interface using dynamic surface tension measurements. Comparable results are obtained for both interfaces.

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“…Surface tension of the aqueous solution was measured at 295 K with the du Nouy ring method, taking into account the necessary modifications as outlined in (32). The measured equilibrium surface tension σ e versus concentration c isotherm was evaluated by the best-fit procedure described in (33) using Frumkin's surface equation of state.…”

Section: Surface Tension Measurementmentioning

confidence: 99%

Phase Transition in an Adsorption Layer of a Soluble Surfactant at the Air–Water Interface

Motschmann¹,

Lunkenheimer²

2002

Journal of Colloid and Interface Science

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Determination of the surface tension of surfactant solutions applying the method of Lecomte du Noüy (ring tensiometer)

Cited by 211 publications

References 20 publications

Aqueous Solutions of Sodium Deoxycholate and Hydroxypropylmethylcellulose: Dynamic Surface Tension Measurements

Aqueous Solutions of Sodium Deoxycholate and Hydroxypropylmethylcellulose: Dynamic Surface Tension Measurements

The effect of the removal of trace impurities on the adsorption behavior of octanoic acid at mercury–solution and at air–solution interfaces

Phase Transition in an Adsorption Layer of a Soluble Surfactant at the Air–Water Interface

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