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3 20 oC时Al在1.0 mol/L HCl溶液中的腐蚀电化学参数

Table 3 Electrochemical corrosion parameters for aluminium in 1.0 mol/L HCl at 20 oC

Inhibitor Ecorr / mV IcorrμA·cm-2 -bcmV·dec-1 ηp / % - -781 6581 223 - WGHE -761 1457 160 77.9 Nd(NO3)3 -785 698 125 89.4 WGHE+Nd(NO3)3 -788 240 142 96.4