C. I. Egwuatu

Optimized Adsorption of Pb(II) ION from Aqueous Solution Using Sharp Sand: Ann and RSM Modelling

C. I. Egwuatu, P. C. Okafor, J. O. Ndubuisi & P. C. Ezeagwu · Asian Journal of Applied Chemistry Research · 2023

Aim: This study was aimed at using sharp sand as an adsorbent to optimize the removal of Pb ionsfrom simulated water and water obtained from Enyigba River. Study Design: Adsorption experiment was designed using Response Surface Methodology (RSM). Artificial Neural Network (ANN) w...

Open access Research Article 10.9734/ajacr/2023/v14i2259

Determination of the Mechanism of Nucleophilic Reaction of Fenitrothion Using Substituted Phenoxide Nucleophiles in Aqueous Media

E. G. Amadi, C. I. Egwuatu, C. U. Okoro, F. O. Obumselu & M. U. Onuoha · International Research Journal of Pure and Applied Chemistry · 2021

The mechanism of the nucleophilic displacement reaction at the phosphorus centre of organophosphates was determined. Phenoxide nucleophiles were reacted with fenitrothion (O,O-dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate) in water at 25oC and pseudo-first order rate const...

Open access Research Article 10.9734/irjpac/2021/v22i630415