UAE Neem Extract as a Corrosion Inhibitor for Carbon Steel in HCl Solution

Table 7

The Free energy of adsorption (Δ𝐺_ads) for carbon steel in 1.0 M HCl in the presence of the aqueous extract of Neem leaves at various temperatures (303 K−343 K).

Δ𝐺, kcal⋅mol^-1
303 K	313 K	323 K	333 K	343 K
−8.01	−8.04	−6.58	−5.52	−2.84