Table 2.

Calculated values obtained from Temkin isotherm for CTABr and CTABr/halide ion systems in 0.5 M H₂SO₄.

System	a	K/L mol−1	R2	$\mathrm{\Delta }{G}_{\text{ads}}^0$ kJ/mol
CTABr	−1.30	1.60 × 104	0.9922	−33.9
7 × 10−6 M CTABr + NaCl	−14.75	2.42 × 107	0.9918	−52.1
7 × 10−6 M CTABr + NaBr	−10.36	2.61 × 107	0.9907	−52.2
7 × 10−6 M CTABr + NaI	−8.12	3.50 × 107	0.9909	−53.0