Skip to content
N

N. C. Ngobiri

Publications (8)

Inhibition of Mild Steel Corrosion in 0.25 M H2SO4 Using Tetracarpidium conophorum Shell Extract

N. C. Ngobiri & K. N. Kikanme · Journal of Engineering Research and Reports · 2020

The capacity of aqueous Tetracarpidium conophorum Shell (TCE) Extract to inhibit pipeline steel corrosion in 0.25 M H2SO4 acid was investigated using weight loss and Uv-visible spectroscopy techniques. The phytochemical components of Tetracarpidium conophorum were identified usin...

Open access Research Article 10.9734/jerr/2020/v11i417066

Effect of Basicity on Electrochemical Corrosion Behaviour of Enantia chlorantha on the Corrosion of Mild Steel in Acid Environments

U. E. Opusunju & N. C. Ngobiri · Journal of Materials Science Research and Reviews · 2022

The effects of Enantia chlorantha (ET) stem bark ethanoic extract on the corrosion of Mild steel in acids environment and acid basicity to concentration ratio on the electrochemical corrosion behavior of Enantia chlorantha on mild steel in acid environments was studied using elec...

Open access Research Article

A Review of Techniques for the Determination of Total Petroleum Hydrocarbons in Soils

E. U. Ezeani, N. C. Ngobiri & I. O. Agbagwa · Asian Journal of Applied Chemistry Research · 2022

The Total Petroleum Hydrocarbon (TPH) is the total of different types of hydrocarbons in the crude oil mixture. It includes volatile petroleum hydrocarbons and extractable petroleum hydrocarbons. The TPH determination techniques are primarily grouped into spectroscopic (ultraviol...

Open access Research Article 10.9734/ajacr/2022/v11i230254

The Application of Monkey Cola Pericarp (Cola lepidota) in the Removal of Toluene from Aqueous Medium

C. Obi, N. C. Ngobiri, L. C. Agbaka & M. U. Ibezim-Ezeani · Asian Journal of Applied Chemistry Research · 2020

The study focused on the investigation of the effectiveness of the pericarp of monkey kola (Cola lepidota) biomass (CLPB) in the removal of toluene from aqueous system. X-Ray Diffraction (XRD), Fourier Transform Infrared (FTIR), Scanning Electron Microscopy (SEM) and phytochemica...

Open access Research Article 10.9734/ajacr/2020/v5i230140

Corrosion Inhibition of Pipeline Steel in 0.5 M HCL Using Cotyledon of Chrysophyllum cainito

E. P. Othaki & N. C. Ngobiri · Asian Journal of Applied Chemistry Research · 2020

The corrosion inhibition characteristics of Chrysophyllum cainto cotyledon aqueous extract was studied for the corrosion of pipeline steel in 0.5 M HCl using gravimetric technique. The corrosion surface morphology and corrosion surface film were studied using Scanning electron mi...

Open access Research Article 10.9734/ajacr/2020/v5i230131

Competitive Adsorption of Xylene and Toluene on Modified and Unmodified Sodium Bentonite Clay Mineral

H. E. Ewuzie, T. N. Chikwe, N. C. Ngobiri & I. P. Okoye · Asian Journal of Applied Chemistry Research · 2020

Cetyltrimethylammonium bromide (CTAB) – modified and unmodified sodium bentonite were both used for the competitive adsorption of m-xylene and toluene from their aqueous solution. Infrared spectroscopy (IR) and expansion tests (adsorption capacity and Foster swelling) measurement...

Open access Research Article 10.9734/ajacr/2020/v5i230143

Synthesis and Characterization of Organophilic Bentonite for Produced Water Treatment

G. U. Ngobiri, I. P. Okoye & N. C. Ngobiri · Journal of Materials Science Research and Reviews · 2020

This study investigates the synthesis and characterization of organophilic bentonite, from natural organophobic bentonite from Ebenebe Anambra State, Nigeria. The clay was used after milling and drying at 110°C overnight. The natural bentonite was then converted to sodium bentoni...

Open access Research Article

Vigna unguiculata Coat Extract as Green Corrosion Inhibitor for Steel Pipeline in HCl

N. K. Kikanme, A. O. James & N. C. Ngobiri · Journal of Materials Science Research and Reviews · 2020

The inhibitive performance of aqueous Vigna unguiculata coat extract on the corrosion of pipeline steel in 0.5 M HCl solution was studied by electrochemical, Gravimetric and UV-Visible spectroscopy techniques at varying temperatures. The extract was characterized using Gas Chroma...

Open access Research Article