Investigation on the Effect of Green Inhibitors for Corrosion Protection of Mild Steel in 1 M NaOH Solution

Table 1

Inhibition efficiency and corrosion rate data of mild steel in 1 M NaOH in the absence and presence of inhibitor in different temperature and concentration.

Sl. number	Inhibitor concentration; (ppm)	Temperature; (°C)	Corrosion rate; (g m^−2 h^−1)	Inhibition efficiency; (%)
1	200	30	1.0940	85.00
2		50	1.9023	81.13
3		70	3.9279	65.82
4	400	30	0.4760	94.18
5		50	1.0652	89.43
6		70	1.3520	82.23
7	600	30	0.2934	95.97
8		50	0.9917	90.16
9		70	1.6620	85.54