核桃青皮提取物与Nd(NO<sub>3</sub>)<sub>3</sub>对Al在HCl溶液中的缓蚀协同效应

核桃青皮提取物与Nd(NO₃)₃对Al在HCl溶液中的缓蚀协同效应

黄苗, 王丽姿, 马晓青, 李向红

Synergistic Inhibition Effect of Walnut Green Husk Extract and Nd(NO₃)₃ on Aluminum in HCl Solution

HUANG Miao, WANG Lizi, MA Xiaoqing, LI Xianghong

表4 20 ^oC铝在1.0 mol/L HCl溶液中的EIS参数

Table 4 EIS parameters for aluminium in 1.0 mol/L HCl solution at 20 ^oC

Inhibitor	R_s Ω·cm²	R_t Ω·cm²	R_L Ω·cm²	L H·cm²	n	Q μΩ^-1·s ^a ·cm^-2	C_dl μF·cm^-2	R_P Ω·cm²	η_R / %
-	1.4	10.95	0.83	5.5	0.9760	150	126	0.77	-
WGHE	3.6	33.20	2.70	8.3	0.9710	112	89	2.50	69.2
Nd(NO₃)₃	1.6	81.87	4.61	22.5	0.9528	75	64	4.36	82.3
WGHE+Nd(NO₃)₃	1.4	100.80	6.68	38.1	0.9673	58	45	6.26	88.8