林产化学与工业2013，Vol.33Issue(2)：129-133,5.DOI:10.3969/j.issn.0253-2417.2013.02.023
金竹竹叶提取物在HCl中对铝的缓蚀作用研究
Corrosion Inhibition of Extracts from Phyllostachy sulphurea Leaves for Aluminum in HCl Solution
摘要
Abstract
Fourier transform infrared( FT-IR) spectroscopy was employed to characterize the main functional groups of extracts from Phyllostachy sulphured leaves (PSLE). The inhibition effect of PSLE on the corrosion of aluminum in 1. 0 mol/L HC1 was studied by mass loss and electrochemical impedance spectroscopy (EIS). The results showed that the PSLE was a good inhibitor in hydrochloric acid for aluminum, and the maximum inhibition efficiency was 77.7 %. The corrosion inhibition of bamboo leaves was good at 20℃ and 30℃. The adsorption of PSLE on the aluminum surface obeys the Langmuir adsorption isotherm equation. Adsorption heat △Hads was calculated by Van't Hoff, and the inhibition mechanism was discussed in detail according to the parameters. All EIS exhibited that corrosion inhibitor at the aluminum surface had good are resistance. PSLE was a mix-type inhibition.关键词
金竹/提取物/铝/缓蚀/盐酸/吸附Key words
Phyllostachy sulphured/extract/aluminum/inhibition/hydrochloric acid/adsorption分类
化学化工引用本文复制引用
刘建祥,王瑞苓,付惠,李向红..金竹竹叶提取物在HCl中对铝的缓蚀作用研究[J].林产化学与工业,2013,33(2):129-133,5.基金项目
西南林业大学省部共建教育部重点实验室项目(KLESWFU-201208) （KLESWFU-201208）
