酸性介质中桂圆壳碳点对碳钢的缓蚀性能研究

陈佳起, 侯道林, 肖晗, 高雨薇, 董社英

Corrosion Inhibition on Carbon Steel in Acidic Solution by Carbon Dots Prepared from Waste Longan Shells

CHEN Jiaqi, HOU Daolin, XIAO Han, GAO Yuwei, DONG Sheying

表1 Q235钢在ls-CDs和N-lsCDs不同浓度的阻抗拟合参数

Table 1 Fitting impedance parameters of Q235 steel in 1 mol·L^-1 HCl solutions containing different concentrations of ls-CDs and N-lsCDs

Inhibitor	Conc. mg·L^-1	R_s Ω·cm²	R_ct Ω·cm²	C_dl μF·cm²	n	η %
	0	1.43	34.2	224	0.877	0
	25	1.47	52.3	198	0.874	34.62
ls-CDs	50	1.39	205.5	139	0.848	84.39
	75	1.46	251.0	115	0.832	86.54
	100	1.55	325.9	114	0.835	89.49
	0	1.42	34.3	224.8	0.878	0
	5	1.19	234.8	131.5	0.874	85.41
N-lsCDs	10	1.55	270.8	112.8	0.853	87.32
	15	1.31	289.7	113.7	0.837	88.07
	20	1.25	451.8	111.9	0.825	92.41