Kaustubh R Mote; Jency Thomas; Arunachalam Ramanan(Scientific Publishers, 2018-08)
Growth of transition metal malonate (mal) based solids from aqueous solution is investigated in the presence of piperazine (pip). Reaction under ambient conditions favored the growth of [{M(mal) 2 (H 2 O) 2 } {H 2 pip}] ...
Vidhya Thomas K; Joby Thomas K; Vinod Rapheal P; Sabu AS; Ragi K; Reeja Johnson(Elsevier, 2021-09)
The inhibiting capacity of Tinospora cordifolia extract (TCE) was evaluated on mild steel in 1 M HCl and 0.5 M H2SO4 by physicochemical and electrochemical techniques and by utilizing statistical tools such as response ...
In recent times, there is a growing trend among researchers in utilizing plant based starting materials to synthesize functional nanomaterials. Toward this goal, cashew nut shell oil-derived cardanol caught great attention ...
Paulson, Binsi M; Thomas, K Joby; Raphael, Vinod P; Shaju, KS; Ragi, K(Springer, 2020-10-12)
The capacity of penta sodium triphosphate (PST) to avert the steel reinforcement corrosion in contaminated concrete by NaCl was investigated for 480 days using electrochemical impedance spectroscopy, potentiodynamic ...
Ragi K; Joby Thomas Kakkassery; Vinod Raphael P; Binsi Paulson M; Reeja Johnson(Growing Science, 2021)
The corrosion inhibition efficiency of the Schiff base N,N’-(5,5-dimethylcyclohexane-1,3-diylidene)dianiline (DmChDa) on mild steel in 1M HCl and 0.5M H2SO4 was evaluated using gravimetric, electrochemical impedance ...
Francis, P Martin; Jose, T Sunil(American Institute of Physics Inc., 2019-10-29)
Cyanate esters are thermally resistant thermosetting resins with low dielectric constant, low moisture absorption, high glass transition temperature and can be tuned for different mechanical, thermal and electrical properties. ...
Das, K Rohini; Antony, M Jinish; Varghese, Shinto(Elsevier, 2019-10-24)
An efficient fluorescent and redox type conjugated poly-N-phenyl anthranilic acid (PNPA) was synthesised via chemical oxidative polymerisation of N-phenyl anthranilic acid (NPA) using FeCl3 as oxidising agent in ethanol ...
Kuriakose, Nimmy; Thomas, K Joby; Raphael, Vinod P; Varghese, C Sini(Growing Science Ltd, 2017-07)
The corrosion inhibition efficiencies of two novel Schiff bases, namely (E)-3-[thiophen-2- ylmethyleneamino]benzoic acid (T2YMABA) and (E)-4-(5-[(2-phenylhydrazono) methyl]thiophen-2-yl)benzoic acid (PHMT2YBA) on mild steel ...
Raphael, VP; K, Joby Thomas; Shaju, KS; N, Kuriakose(National Institute of Science Communication and Information Resources, 2017-01)
The corrosion inhibition capacity of the 3-acetylpyridine phenylhydrazone (APPH) has been investigated by gravimetric studies and electrochemical investigations like EIS and Tafel polarization analyses. Present study reveal ...
Jayakrishnan, K; Joseph, Antony; Mathew, Paulson; Siji, TB; Chandrasekharan, K; Narendran, N K Siji; Jaseela, MA; Muraleedharan, K(Elsevier, 2016-08)
The third order nonlinear optical features of certain novel thiocoumarin derivatives have been studied. Single beam Z-scan study on these compounds reveals that the compounds exhibit self defocusing effect upon irradiation ...
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. ...
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, ...
Paulson, Binsi M; Joby, Thomas K; Raphael, Vinod P; Shaju, KS(Hindawi Limited, 2018-12-02)
Prolonged corrosion inhibition response of sodium lauryl sulphate (SLS) on steel reinforcement in contaminated concrete was investigated by gravimetric method and electrochemical techniques such as potentiodynamic polarization ...
Heterocyclic compound 3-acetylpyridine phenylhydrazone (APPH) and its copper chelate were synthesized and characterized by spectral, elemental, magnetic and conductance measurements. Investigations showed that APPH behaved ...
The inhibition effect of (s)-2-(anthracene-9(10H)-ylideneamino)-5-guanidinopentanoic acid (A9Y5GPA) on carbon steel (CS) in 0.5 M sulphuric acid solution has been investigated using weight loss measurements, electrochemical ...
A novel Schiff base derived from 3-formylindole and 2-aminobenzoic acid and it’s Mn(II) Ni(II) and Cu(II) transition metal complexes were synthesized. Structure of the ligand and complexes were derived on the basis of ...
Investigations were carried out to compare the effectiveness of compounds such as sodium nitrite, trisodium citrate (TSC) and TSC–zinc acetate to inhibit the corrosion of steel rebar in simulated concrete interstitial ...