The Green Inhibitive Effect of Ptychostomum schleicheri (Bryophyta) Extract on Mild Steel Corrosion

Year 2022, Volume: 8 Issue: 2, 114 - 122, 30.11.2022

Demet Özkır

https://doi.org/10.26672/anatolianbryology.1193546

Cited By: 2

Abstract

In present study, the inhibitive impact of Ptychostomum schleicheri extract, a moss species of Bryaceae family, on the mild steel corrosion in 1 M HCl at ambient temperature was firstly analysed by Tafel extrapolation method, electrochemical impedance spectroscopy (EIS) and linear polarization (LPR) techniques. Electrochemical tests were conducted by 1 h immersing mild steels in HCl solutions containing four various concentrations of moss extract. At a concentration of 0.200% (w/v), the moss extract displayed around 90 percent inhibition efficiency by three electrochemical methods, and it was also observed that its protective effect increased depending on the upsurge in the concentration of Ptychostomum schleicheri extract. The morphologies of mild steels surface in 1 M HCl with and without P. schleicheri extract at the end of 1 h immersion time were visualized by a metal microscope. Finally, according to the electrochemical data and surface morphology results, it can be said that the extract molecules adsorbed on the mild steel surface to achieve almost maximal coverage and contact.

Keywords

Bryaceae, Ptychostomum schleicheri, Eco-friendly inhibitor, Corrosion, Metal microscope

Thanks

The author would like to thank, in the process of providing and identifying the Ptychostomum schleicheri material to Prof. Dr. Tülay Ezer, and also to Prof. Dr. Tuncay Türkeş and Prof. Dr. Osman Seyyar for photographed in their laboratory of the P. schleicheri material.

Ptychostomum schleicheri (Bryophyta) Ekstraktının Yumuşak Çeliğin Korozyonu Üzerine Yeşil Önleyici Etkisi

Abstract

Bryaceae familyasının bir yosun türü olan Ptychostomum schleicheri ekstraktının 1 M HCl içerisindeki yumuşak çeliğin korozyonu üzerine önleyici etkisi, oda sıcaklığında Tafel ekstrapolasyon yöntemi, lineer polarizasyon (LPR) ve elektrokimyasal impedans spektroskopisi (EIS) yöntemleri ile ilk kez, mevcut çalışmada analiz edilmiştir. Elektrokimyasal deneyler, dört farklı derişimde yosun ekstraktı içeren HCl çözeltilerine, yumuşak çeliklerin 1 saat daldırılması ile gerçekleştirilmiştir. % 0,200 (w/v) derişiminde yosun ekstraktı, üç elektrokimyasal yöntemle yüzde 90 civarında inhibisyon etkinliği göstermiş ve ayrıca Ptychostomum schleicheri ekstraktının derişiminin artmasına bağlı olarak, koruyucu etkisinin de arttığı gözlemlenmiştir. Yosun ekstraktı içeren ve içermeyen 1 M HCl içerisindeki yumuşak çeliklerin yüzey morfolojileri, 1 saatlik daldırma süresinin sonunda metal mikroskobu yardımıyla görüntülenmiştir. Son olarak, elektrokimyasal veriler ve yüzey morfolojisi sonuçlarına göre, ekstrakt moleküllerinin yumuşak çelik yüzeyine neredeyse maksimum kaplama ve temas elde etmek için adsorplandığı söylenebilir.

Keywords

Bryaceae, Ptychostomum schleicheri, Çevre-dostu inhibitör, Korozyon, Metal mikroskopu

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