Inhibition of Corrosion of Carbon Steel in 3.5% NaCl Solution by Myrmecodia Pendans Extract

Table 1

The corrosion parameters obtained from polarization plots.

Concentration (mg/L)	(mV)	(μA)	(mV/dec)	(mV/dec)	Corrosion rate (mpy)	Efficiency inhibition (%)
0	−753.745	−323.257	370.595	193.269	95.93	—
100	−612.544	−62.705	77.561	127.57	18.608	74.28
200	−813.921	−56.624	63.864	99.92	16.803	79.85
300	−699.827	−26.359	38.387	47.68	7.822	90.39
400	−620.445	−19.222	36.772	42.58	5.704	91.41
500	−638.899	−28.097	46.097	60.73	8.338	87.75