铁蕨提取物对碳钢在盐酸中的缓蚀行为研究

陈文, 黄德兴, 韦奉

Inhibition Effect of Brainea Insignis Extract Against Carbon Steel Corrosion in HCl Solution

CHEN Wen, HUANG Dexing, WEI Feng

表2 Q235钢在含不同浓度BIE的 1 mol·L^-1盐酸中的极化曲线参数

Table 2 Polarization parameters for Q235 steel in 1 mol·L^-1 HCl solution containing different concentrations of BIE

C_BIE / mg·L^-1	-E_corr / mV_VS SCE	b_a / mV·dec^-1	b_c / mV·dec^-1	I_corr / μA·cm^-2	IE_PC / %
Blank	472	106	137	2209	---
35	466	81	135	831	62.4
70	466	78	129	543	75.4
140	472	74	116	395	82.1
280	483	62	122	133	94.0
560	471	60	113	92	95.8