铜质文物在CO2 环境中的腐蚀行为及缓蚀剂研究
|
|
周浩, 尤世界, 王胜利
|
Corrosion Behavior and Corrosion Inhibitor for Copper Artifacts in CO2 Environment
|
|
ZHOU Hao, YOU Shijie, WANG Shengli
|
|
表1 不同BTA-CYS复配比对Cu在CO2中电化学阻抗拟合参数
|
Table 1 EIS parameters for copper with different proportion of BTA-CYS
|
|
| Inhibitor | Rs Ω·cm2 | Rct Ω·cm2 | Cdl μF·cm-2 | Rfilm Ω·cm2 | Cfilm μF·cm-2 | Zw Ω·cm2 | Rt Ω·cm2 | η | S |
|---|
| Blank | 3.82 | 74.8 | 15.96 | - | - | 0.0004 | 74.8 | - | - | | BTA | 3.67 | 152.1 | 6.09 | 18.1 | 1.53 | - | 170.2 | 56.1% | - | BTA∶CYS (4∶1) | 3.41 | 482.6 | 1.21 | 59.5 | 0.19 | - | 542.1 | 86.2% | 1.9 | BTA∶CYS (3∶2) | 3.21 | 354.9 | 2.10 | 33.6 | 0.28 | - | 388.5 | 80.7% | 1.4 | BTA∶CYS (1∶1) | 2.87 | 208 | 3.41 | 25.6 | 0.75 | - | 233.6 | 67.9% | 0.8 | BTA∶CYS (1∶4) | 3.67 | 127.4 | 6.41 | 14.4 | 1.49 | - | 141.8 | 47.3% | 0.5 | | CYS | 3.69 | 109.1 | 7.80 | 13.3 | 2.66 | - | 122.4 | 38.9% | - |
|
|
|