A5044255003- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Corrosion Behavior and Inhibition
- Particle Accelerators and Free-Electron Lasers
- Particle accelerators and beam dynamics
- Concrete Corrosion and Durability
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Gyrotron and Vacuum Electronics Research
- Hydrogen embrittlement and corrosion behaviors in metals
- Inorganic and Organometallic Chemistry
- Superconducting Materials and Applications
- Adsorption and biosorption for pollutant removal
- Calcium Carbonate Crystallization and Inhibition
- Nanoparticles: synthesis and applications
- Cosmology and Gravitation Theories
- Advanced Photocatalysis Techniques
- Nanomaterials for catalytic reactions
- Polysaccharides Composition and Applications
- Magnetic confinement fusion research
- Chemistry and Chemical Engineering
- Polysaccharides and Plant Cell Walls
- Copper-based nanomaterials and applications
- Thermal and Kinetic Analysis
University of Nigeria
2018-2025
Fermi National Accelerator Laboratory
2011-2024
Ahmadu Bello University
2008-2019
Akwa Ibom State University
2007-2019
Federal University Lokoja
2016-2018
Michael Okpara University of Agriculture
2017
Fermi Research Alliance
2002-2011
University of Calabar
2010
Akwa Ibom State Polytechnic
2007-2009
University of Uyo
2007
Three thiosemicarbazides, namely 2-(2-aminophenyl)-N phenylhydrazinecarbothioamide (AP4PT), N,2-diphenylhydrazinecarbothioamide (D4PT) and 2-(2-hydroxyphenyl)-N-phenyl hydrazinecarbothioamide (HP4PT), were investigated as corrosion inhibitors for mild steel in H(2)SO(4) solution using gravimetric gasometric methods. The results revealed that they all inhibit their % inhibition efficiencies (%IE) follow the order: AP4PT > HP4PT D4PT. %IE obtained from experiments good agreement. thermodynamic...
The Density Functional Theory (DFT) and ab initio (HF MP2) calculations were performed on the quinoline molecule (QL) its derivatives, namely quinaldine (QLD) quinaldic acid (QLDA) to investigate their possible role as corrosion inhibitors for mild steel in acidic medium. Calculations done non-protonated protonated forms vacuo water. Some quantum chemical parameters calculated discussed order provide insight into reactivity selectivity of molecules. performance different calculation methods...
The Mu2e experiment at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- with a sensitivity approximately four orders of magnitude better than current world's best limits this process. experiment's offers discovery potential over wide array new physics models and probes mass scales well beyond reach LHC. We describe herein preliminary design proposed experiment. This document was created in partial fulfillment requirements necessary to...
Experimental aspect of the corrosion inhibition potential adenine (AD), guanine (GU) and, hypoxanthine (HYP) was carried out using weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) methods while theoretical work by calculations semi-empirical parameters (for AM1, MNDO, CNDO, PM3 RM1 Hamiltonians), Fukui functions inhibitor-metal interaction energies. Results obtained from experimental studies were in good agreement indicated that are adsorption...
Pozzolans such as fly ash (FA) and nano-metakaolin (MK) are the two industrial wastes that have attracted attention of researchers due to their pozzolanic action improves performance cementitious materials in an aggressive environment can reduce global cement demand lessen emission greenhouse gases. This study analyses strength durability properties mortar with partial substitution MK presence FA. The effect binary ternary blends on has been studied by varying dosage FA (5-20%) well...
Packaging plays a crucial role in meeting the diverse needs of various industries and consumers, is created from different types materials. In case food products, packaging serves several important functions, including protecting them physical, chemical, biological damage, extending their shelf life, facilitating storage transportation. One area innovation materials use nanomaterials with particle size nanoscale, which exhibit unique physico-chemical properties as compared to bulk...
The corrosion inhibition of mild steel in H 2 SO 4 the presence methocarbamol was studied using thermometric and gasometric (hydrogen evolution) methods.The study revealed that rate increases with temperature, time concentration .Addition to corrodent solution lowered steel.Inhibition efficiency (%I) found increase decreased temperature.Adsorption molecule on surface obey Langmuir adsorption isotherm.The phenomenon physical is proposed from obtained thermodynamic parameters.
The inhibition of the corrosion mild steel in H2SO4 by some fluoroquinolones is studied using experimental and theoretical methods. Results obtained from gravimetric method indicate that ciprofloxacin (CFC), norfloxacin (NFC), ofloxacin (OFC) sparfloxacin (SFC) are good inhibitors. adsorption inhibitors on surface consistent with Langmuir isotherm. Physical mechanism proposed calculated thermodynamic parameters for all compounds studied. Quantum chemical studies potentials these correlate...
Substituent constants and quantum chemical parameters were calculated from PM6, PM3, AM1, RM1 MNDO. Hamiltonians used to predict the corrosion inhibition potential of nine amino acids grouped under three skeletons. Skeleton I consisted cysteine (CYS), serine (SER) butyric acid (ABU). Those in skeleton II included threonine (THR), alanine (ALA) valine (VAL) while those III are aromatic acids, which phenylalanine (PHE), tryptophan (TRP) tyrosine (TYR). Trends obtained substituent not entirely...
The corrosion inhibition of mild steel in H2SO4 by Cloxacillin (CLX) and its synergistic combination with halides (KI, KBr KCl) was investigated using gravimetric, thermometric, gasometric quantum chemical methods. results indicated that CLX is a good adsorption inhibitor for the H2SO4. Inhibition efficiency on increased increase concentration but decreased rise temperature ranging from 90.40 to 93.98%, 80.85 86.43%, 78.41 84.07% 58.61 77.57% at 303, 313, 323 333 K respectively. (KCl, KI)...
Adsorption of methylene blue and malachite green dyes from aqueous solution by neem leaves was studied using experimental computational chemistry approaches. The two have N–H stretch, C≡C vibration vibration, C=C stretch C–Cl as common functional groups. Batch adsorption experiments were concluded measuring absorbance (at wavelength maximum absorption, i.e. 660 630 nm for dyes, respectively). the on favoured Langmuir Temkin isotherms influenced concentration, biomass dose, pH contact time,...
In the present study, biosynthesized silica-based zinc oxide nanocomposites (nano-SZO) have been explored as nanoadsorbent for sequestrating heavy metal ions viz. Ni2+, Cd2+and Cu2+ from synthetic medium. The obtained by utilization of agricultural waste means green approach with an average particle size 30.52 nm and a pH at zero-point charge 4.8. process has optimized equal to 5.0 Ni2+ 6.0 Cd2+. Adsorption was best described Langmuir isotherm highest value maximum adsorption capacity, qm...
Abstract This work tested the ethanol extract of camphor tree Cinnamomum camphora bark (CTBEE) as a green corrosion inhibitor low carbon steel (LCS) in 0.5 M H 2 SO 4 with and without synergistic effect 4000 ppm NaCl or 800 KI. The protection LCS was significantly increased presence CTBEE‐KI CBWE‐NaCl blends compared CTBEE alone, according to data performed by electrochemical impedance spectroscopy (EIS) polarization (EP) analyses. formation film blocks surface area, preventing corrosive...
Abstract The effectiveness of synthesized antipyrinyl‐imidazotriazole and its derivatives as inhibitors for the corrosion copper alloy in 0.5 M H 2 SO 4 solution was tested using weight loss, electrochemical impedance spectroscopy (EIS) potentiodyanmic polarization techniques. generated results confirmed that compounds have strong inhibition efficiencies protection . Maximum (IEs) evaluated from measurements at inhibitor's concentrations 0.040 g/L were 85% (5‐(4‐Antipyrinyl)‐3 ‐imidazo[1,2‐...