An Ecofriendly Initiative for the Corrosion Inhibition of Mild Steel in 1 M HCl Using Tecoma capensis Flower Extract

Table 3

Relationship between inhibition efficiency and concentration for TCF/MS/1 M HCl systems at various temperatures.

Conc.%	Temperature (K)
	303		313		323		333		343		353
	CR (mpy)	IE (%)	CR (mpy)	IE (%)	CR (mpy)	IE (%)	CR (mpy)	IE (%)	CR (mpy)	IE (%)	CR (mpy)	IE (%)
Blank	1032		2755		6252		8146		9971		18091
0.1	333	67.8	967	64.9	1307	79.1	2077	74.5	4188	58.0	7634	57.8
0.2	307	70.3	628	77.2	982	84.3	1750	78.5	3833	61.6	5174	71.4
0.3	273	73.5	540	80.4	757	87.9	1352	83.4	3490	65.0	4378	75.8
0.4	196	81	507	81.6	569	90.9	1238	84.8	3091	69.0	4125	77.2
0.5	179	82.7	479	82.6	539	91.4	1149	85.9	2353	76.4	3636	79.9
0.6	154	85.1	410	85.1	469	92.5	1075	86.8	1894	81.0	3383	81.3
0.7	146	85.9	386	86.0	388	93.8	863	89.4	1595	84.0	3039	83.2