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Browsing Dr Joby Thomas K by Author "Raphael, Vinod"

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Chemical modification at the surface and corrosion inhibition response of two semicarbazones on carbon steel in HCl medium

Raphael, Vinod; K, Joby Thomas; Shanmughan, Shaju; Sini Varghese (Springer, 2016-10-15)

Two similarly structured heterocyclic semicarbazones (E)-4-(5-((2-carbamoylhydrazano)methyl)furan-2-yl)benzoic acid (CPFASC) and (E)-2-((5-(4-nitrophenyl)furan-2-yl)methylene)hydrazinecarboxamide (NPFASC) were synthesized, ...
Corrosion inhibition capacity of two heterocyclic oximes on copper in nitric acid: Electrochemical, quantum chemical and surface morphological investigations

Varghese, C Sini; K, Joby Thomas; Raphael, Vinod; Shanmughan, Shaju (Growing Science, 2019-03)

Two heterocyclic oximes (E)-N-hydroxy-1-(pyridin-2-yl)methanimine (Hp2ylm) and (E)-N-hydroxy-1-(pyridin-3-yl)methanimine (Hp3ylm) were synthesized from pyridine-2-carbaldehyde and pyridine-3-carbaldehyde, respectively. ...
Corrosion inhibition investigations of 3-acetylpyridine semicarbazone on carbon steel in hydrochloric acid medium

Raphael, Vinod; K, Joby Thomas; Shanmughan, Shaju; Paul, A Aby (Springer, 2013-03-01)

The corrosion inhibition efficiency of 3-acetylpyridine-semicarbazide (3APSC) on carbon steel (CS) in 1.0 M HCl solution has been investigated using weight loss measurements, electrochemical impedance spectroscopy (EIS) ...
Ixora coccinea extract as an efficient eco-friendly corrosion inhibitor in acidic media: Experimental and theoretical approach

K, Vidhya Thomas; K, Joby Thomas; Raphael, Vinod; Ragi, K (Growing Science, 2021-01)

The corrosion inhibition power of an eco-friendly green inhibitor Ixora coccinea extract (ICE) for mild steel in 1 M HCl and 0.5 M H2SO4 was analysed using physicochemical and electrochemical techniques. 1–5 v/v% ICE was ...

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