核桃青皮提取物与碘化钾对钢在柠檬酸中的缓蚀协同效应

王丽姿, 黄苗, 李向红

Synergistic Inhibition Effect of Walnut Green Husk Extract and Potassium Iodide on Corrosion of Steel in Citric Acid Solution

WANG Lizi, HUANG Miao, LI Xianghong

表1 c/θ-c线性回归参数

Table 1 Linear regression parameters of c/θ-c

Inhibitor	T / ℃	r²	Slope	K / L·mg^-1	ΔG⁰ / kJ·mol^-1
WGHE	25	0.9981	2.08	0.0199	-24.54
	30	0.9958	1.26	0.0240	-25.41
	40	0.9925	1.34	0.0179	-25.48
	50	0.9936	1.24	0.0283	-27.54
KI	25	0.9993	1.45	0.0511	-26.87
	30	0.9964	1.27	0.0526	-27.39
	40	0.9787	1.61	0.0168	-25.31
	50	0.9539	1.60	0.0137	-25.58
WGHE+ 100 mg/L KI	25	0.9996	1.17	0.1112	-28.80
	30	0.9998	1.13	0.1147	-29.36
	40	0.9992	1.13	0.0362	-27.33
	50	0.9993	1.13	0.0473	-28.94