Table 4 The coefficients A, B and C in Eq. (5) for all TnSm gemini surfactants.

Gemini surfactants	Parameters obtained by fitting data
Gemini surfactants	A	B (K⁻¹)	C (× 10⁻⁵ K⁻¹)	R²
T12S2	− 13.78	0.0352	− 4.25	0.997
T14S2	− 15.13	0.0285	− 3.20	0.998
T16S2	− 17.62	0.0307	− 3.36	0.998
T12S3	− 10.62	0.0197	− 2.22	0.994
T14S3	− 13.22	0.0217	− 2.14	0.998
T16S3	− 14.51	0.0194	− 1.60	0.999
T12S4	− 9.38	0.0134	− 1.20	0.997
T14S4	− 11.32	0.0158	− 1.25	0.995
T16S4	− 12.62	0.0162	− 1.10	0.998

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