在酸性介质中脐橙皮提取物对不锈钢的缓蚀作用

周坤, 柳鑫华, 刘帅

Corrosion Inhibition of Navel Orange Peel Extract to Stainless Steel in Acidic Medium

ZHOU Kun, LIU Xinhua, LIU Shuai

表1 失重法计算得出的Vi 值和ƞi 值

Table 1 Calculated values of Vi and ƞi by weight-loss method

T / K NOPE / mg·L-1 Vi / g·cm-2·h-1 ƞi / % 303 0 7.02×10-4 - 303 30 3.18×10-4 54.73 303 50 2.66×10--4 62.04 303 100 1.61×10-4 77.10 303 200 1.46×10-4 79.17 303 300 8.82×10-5 87.44 303 500 6.68×10-5 90.48 313 500 3.12×10-4 76.78 323 500 8.26×10-4 70.12 333 500 2.21×10-3 60.52