Table 1 Interfacial tension measured with three different techniques.
From: Ferrofluidic aqueous two-phase system with ultralow interfacial tension and micro-pattern formation
Sample 0 | Sample 1 | Sample 2 | |
|---|---|---|---|
(μN m−1) | (μN m−1) | (μN m−1) | |
Puddle area method | ∼4.0 | ∼0.2 | ∼0.1 |
Quasi-1D normal-field instability | ∼1.2 | ∼0.7 | ∼0.33 |
Quasi-2D normal-field instability | 0.9 ± 0.1 | 0.6 ± 0.1 | 0.45 ± 0.09 |