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022 _a09743626
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQD31 JOU
100 1 _aDutta, Alokdut
_eauthor
245 1 0 _aEffect of optimized structure and electronic properties of some benzimidazole derivatives on corrosion inhibition of mild steel in hydrochloric acid medium :
_belectrochemical and theoretical studies /
_ccreated by Alokdut Dutta, Sujit Sankar Panja, M. M. Nandi and Dipankar Sukul
264 1 _aBangalore :
_bSpringer,
_c2015.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of chemical sciences
_vVolume 127, number 5,
520 3 _aThe corrosion inhibitive action of a few benzimidazole derivatives namely 2-(benzamido) ethylbenzimidazole (BAEBI), 2-(β-benzenesulphonamido) ethylbenzimidazole (BSAEBI), 2-(benzamido) methylbenzimidazole (BAMBI) and 2-(β-benzenesulphonamido) methylbenzimidazole (BSAMBI), towards mild steel in hydrochloric acid has been studied using potentiodynamic polarization and electrochemical impedance spectroscopic (EIS) methods. The results show that these compounds get adsorbed on the mild steel surface following Temkin adsorption isotherm, and act as mixed-type inhibitors. The inhibition efficiencies are found to follow the order, BAEBI > BSAEBI > BAMBI > BSAMBI. This observation is explained in terms of chain length, relative effects of amido and sulphonamido groups, possible structural factors, spatial orientations, energy gap between the frontier molecular orbitals, different intrinsic molecular parameters, like, global hardness and softness, and number of electrons transferred.
650 _aAdsorption
_vCorrosion inhibition
_xElectrochemical techniques
700 1 _aPanja, Sujit Sankar
_eco author
700 1 _aNandi, M. M.
_eco author
700 1 _aSukul, Dipankar
_eco author
856 _uhttps://doi.org/10.1007/s12039-015-0850-x
942 _2lcc
_cJA
999 _c169336
_d169336