caa a22 4500 475814827 CHVBK 20180406123807.0 cr unu---uuuuu 170329e20000601xx s 000 0 eng 10.1023/A:1004099412974 doi (NATIONALLICENCE)springer-10.1023/A:1004099412974 Dithiobiurets: a novel class of acid corrosion inhibitors for mild steel [Elektronische Daten] [M.A. Quraishi, J. Rawat, M. Ajmal] The corrosion inhibition behaviour of some substituted dithiobiurets, namely, -1,5-diphenyl-2,4-dithiobiuret (DPDTB), 1-tolyl-5-phenyl-2,4-dithiobiuret (TPDTB), 1-anisidyl-5-phenyl-2,4-dithiobiuret (APDTB), 1-chorophenyl-5-diphenyl-2,4-dithiobiuret (CPDTB) were studied in 1 to 5 M HCl on mild steel. The characteristics of these compounds are explained in terms of factors such as inhibitor concentration, acid concentration, temperature, immersion time and molecular structure. Potentiodynamic polarization and a.c. impedance techniques were used to investigate the inhibition mechanism. Among the compounds studied APDTB exhibited the best performance giving more than 98% inhibition efficiency (IE) in HCl solutions. DPDTB and CPDTB were found to reduce hydrogen permeation through mild steel in HCl solutions. The adsorption of APDTB was also confirmed by Auger electron spectroscopy (AES). Kluwer Academic Publishers, 2000 acid inhibitors nationallicence AES nationallicence dithiobiuret nationallicence EIS nationallicence Quraishi M.A. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut Rawat J. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut Ajmal M. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut Journal of Applied Electrochemistry Kluwer Academic Publishers 30/6(2000-06-01), 745-751 0021-891X 30:6<745 2000 30 10800 https://doi.org/10.1023/A:1004099412974 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1004099412974 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Quraishi M.A. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut NATIONALLICENCE 700 1- Rawat J. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut NATIONALLICENCE 700 1- Ajmal M. Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering & Technology, Aligarh Muslim University, 202002, Aligarh (UP), India aut NATIONALLICENCE 773 0- Journal of Applied Electrochemistry Kluwer Academic Publishers 30/6(2000-06-01), 745-751 0021-891X 30:6<745 2000 30 10800 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer