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

Table 4

The data obtained from the weight loss measurements for Arrhenius Equation: (𝐼/𝑇) against Ln (Corrosion Rate).

	Ln (Corrosion Rate)/mg⋅cm^−2⋅h^−1
(1/𝑇) ×10^3/K^−1	1.0 M HCl	1.0 M HCl+ 0.02 g/L	1.0M HCl+ 0.20 g/L	1.0 M HCl+ 0.50 g/L	1.0 M HCl+ 1.00 g/L	1.0 M HCl+ 2.00 g/L
3.30	−0.03978	−0.60148	−1.09064	−1.38629	−1.50959	−1.65026
3.19	0.33218	−0.08338	−0.51083	−0.59059	−0.66165	−0.80744
3.10	1.54137	1.29281	1.09494	0.86794	0.72028	0.59993
3.00	2.50348	2.4201	2.39817	2.21583	2.07493	1.99266
2.92	3.26881	3.47581	3.43431	3.3176	3.22799	3.18544