金银花植物提取物作为环保型缓蚀剂对低碳钢酸性溶液腐蚀的缓蚀效果

汪崧, 刘学武, 赵健, 李众, 杨吉可

Corrosion Inhibition Efficiency of Honeysuckle Extract as an Eco-friendly Inhibitor for Acid Corrosion on Mild Steel

WANG Song, LIU Xuewu, ZHAO Jian, LI Zhong, YANG Jike

表2 图6中动电位极化曲线拟合参数

Table 2 Fitted parameters from potentiodynamic polarization curves in Fig.6

T / K CHSE / mg·L-1 βa / V·dec-1 βc / V·dec-1 Ecorr, SCE / V Icorr / mA·cm-2 ηi / % 303 0 0.105 -0.129 -0.462 3.44 - 50 0.089 -0.131 -0.469 1.75 49 100 0.084 -0.128 -0.474 1.13 67 200 0.081 -0.114 -0.484 0.59 83 300 0.084 -0.123 -0.478 0.31 91 313 0 0.102 -0.127 -0.462 3.75 - 50 0.090 -0.124 -0.476 2.06 45 100 0.097 -0.124 -0.485 1.73 54 200 0.089 -0.120 -0.483 1.43 62 300 0.075 -0.119 -0.480 0.85 77 323 0 0.108 -0.137 -0.464 7.90 - 50 0.078 -0.109 -0.473 2.08 74 100 0.086 -0.118 -0.482 1.85 77 200 0.076 -0.125 -0.478 1.41 82 300 0.075 -0.122 -0.483 1.04 87