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2 Q235钢在含不同浓度ls-CDs和N-lsCDs的1 mol·L^-1 HCl溶液中的极化曲线拟合参数

Table 2 Fitting parameters of polarization curves of Q235 steel in 1 mol·L^-1 HCl solutions containing different concentrations of ls-CDs and N-lsCDs

Inhibitor	Conc. mg·L^-1	β_a dec·V	I_corr A·cm^-2	η %
ls-CDs	0	-9.76	6.8×10^-4	0
	25	-13.68	2.8×10^-4	44.89
	50	-15.02	8.1×10^-5	88.01
	75	-14.66	8.6×10^-5	87.33
	100	-15.88	5.7×10^-5	91.61
N-lsCDs	5	-15.62	6.4×10^-5	90.72
	10	-16.55	5.9×10^-5	91.34
	15	-15.96	4.9×10^-5	92.71
	20	-16.49	4.2×10^-5	93.84