Table 3 The square correlation values of different adsorption isotherms at different temperatures.

From: Novel gemini cationic thiazole-based surfactants as carbon steel corrosion inhibitors in 1 M HCl using experimental and theoretical tools

Adsorption isotherm

Frumkim

El-Awady

Temkin

Freundlish

Langmuir

R2

0.90–0.95

0.88–0.92

0.91–0.98

0.87–0.97

0.99-1.00