Ultrasound induced green synthesis of pyrazolo-pyridines as novel corrosion inhibitors useful for industrial pickling process: Experimental and theoretical approach
By Dohare, Parul; Quraishi, M. A.; Lgaz, H.; Salghi, R.
Published in Results in Physics
2018
Abstract
Three pyrazolopyridine derivatives namely (PPs) (4-(4-methoxyphenyl)3,5-dimethyl-1,4,7,8-tetrahydrodipyrazolopyridine) (PP-1), 3,5dimethyl-4-phenyl-1,4,7,8-tetrahydrodipyrazolopyridine (PP-2) and (3,5-dimethyl-4-(3-nitrophenyl)-1,4,7,8-tetrahyddrodipyrazolopyridine) (PP-3) have been synthesized using ultrasonication irradiation method, characterized and their corrosion inhibition effect was studied on mid steel in 1M HCl using electrochemical, Potentiodynamicmethods. The results of electrochemical studies showed that all the three pyrazolopyridines act as excellent mixed type corrosion inhibitors. The adsorption of studied compounds obeyed the Langmuir
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