| Yazarlar |
Dr. Öğr. Üyesi Fatemeh MOLLAAMIN
Kastamonu Üniversitesi, Türkiye |
| Özet |
| The effect of new corrosion inhibitors, namely pyridine, 2-methylpyridine (2-picoline), 4-methylpyridine (4-picoline), 2,4-dimethylpyridine (2,4-lutidine), on the corrosion of Al-surface in hydrocholoric acid (HCl) and nitric acid (HNO3) was investigated at the HF and B3LYP level using the ab initio 6-3IG and LANL2DZ basis sets from the program package Gaussian 98 (A.7 Public Domain version). The physico-chemical properties of corrosion inhibitors are one of the principal criteria for the determination and selection of inhibitors. The inhibition of the Al-surface in solutions of hydrocholoric acid and nitric acid by some N-heterocyclic compounds has been studied. The calculated results indicate that the compounds were adsorbed on the metal surface mainly in their protonated forms. In the Al-surface charge is transferred to the inhibitor and the organic inhibitor is adsorbed at the Al-surface in an inclined state. The co-adsorption of the inhibitor and Cl - or NO-3 and Hads is discussed. The results show that pyridine and its derivatives can act in hydrocholoric acid better than nitric acid media. In other words the stabilization energy increases in hydrocholoric acid. |
| Anahtar Kelimeler |
| Acid inhibition | Acid solutions | Adsorption | Aluminum surface | Modeling study |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SCOPUS dergilerinde yayımlanan tam makale |
| Dergi Adı | Main Group Metal Chemistry |
| Dergi ISSN | 0792-1241 |
| Dergi Tarandığı Indeksler | SCI-Expanded |
| Makale Dili | İngilizce |
| Basım Tarihi | 01-2003 |
| Cilt No | 26 |
| Sayı | 6 |
| Sayfalar | 349 / 361 |
| Doi Numarası | 10.1515/MGMC.2003.26.6.349 |
| Makale Linki | https://www.degruyter.com/document/doi/10.1515/MGMC.2003.26.6.349/html |
| Atıf Sayıları | |
| WoS | 37 |
| SCOPUS | 71 |
| Google Scholar | 58 |
