Heavy metals in water have been a major preoccupation for researchers for many years due to their toxicity towards aquatic life, human beings and the environment. As they do not degrade biologically like organic pollutants, their presence in industrial effluents and drinking water...
Open access
Research Article10.9734/CSJI/2018/39672
Phosphorus existing under different forms and status in soils is a significantly important nutrient during the growth and development of trees. Spectrophotometry has been developed with many types of reagents to determine phosphorus in environmental samples. Molybdenum blue react...
Open access
Research Article10.9734/CSJI/2018/42128
Herein a background correction method has been utilized for the estimation of ascorbic acid in baobab (Adansonia digitata L.) fruit pulp using direct UV spectrophotometry. The background correction based on catalytic oxidation of the acid by copper (II). EDTA was used to correct...
Open access
Research Article10.9734/CSJI/2018/41080
The study was carried out to evaluate spatial and temporal variations in the levels of some physicochemical parameters in water and sediments from Mpape River, Abuja, Nigeria. The samples were collected along the river bank in dry and rainy seasons from five (5) locations and wer...
Open access
Research Article10.9734/CSJI/2018/40942
Aims: The present study assessed toxic metals content in the water, feeds and fish organs (liver, gills, and kidney) of Clarias gariepinus from River Benue and selected fish ponds within Makurdi metropolis of Benue State. Place and Duration of Study: Sample: A total of eighteen (...
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Research Article10.9734/CSJI/2018/41806
Aims: To investigate the kinetics of Cu(II), Pb(II), Ni(II) and Sn(II) absorption from aqueous solution using modified and unmodified oil palm fruit fibre using diffusion-chemisorption and pseudo-second order kinetic models. Study Design: The use of oil palm fruit fibre as absorb...
Open access
Research Article10.9734/CSJI/2018/41459
Hydroxyapatite (HAp) ceramics have been recognized as substitute material in bone due to their chemical and biological similarity to human bone tissue. Nano HAp powders were synthesized by wet precipitation technique using aqueous suspension of 0.5 M calcium hydroxide [Ca(OH)2] w...
Open access
Research Article10.9734/CSJI/2018/41184
Aims: The effect of Rhizoclonium grande saturated fatty acid ethyl esters on physicochemical and fuel properties of Jatropha curcas biofuel was assessed. Study Design: Probability and purposeful sampling methods were employed. Randomized block design comprising of three blocks, R...
Open access
Research Article10.9734/CSJI/2018/41568
This study investigated the adsorption property of copper oxide nanoparticles (CuO-NPs) for the removal of Metanil Yellow (MY) and Neutral Red (NR). The influence of variables such as contact time, initial concentration and pH for the adsorption process were investigated. The per...
Open access
Research Article10.9734/CSJI/2018/41169
This computational study assessed ten density functionals that include CAM-B3LYP, LC-ωPBE, M11, M11L, MN12L, MN12SX, N12, N12SX, ωB97X, and ωB97XD related to the Def2TZVP basis set together with the SMD solvation model. These are assessed in calculating the molecular properties a...
Open access
Research Article10.9734/CSJI/2018/41452
Jean Stéphane N’dri, Mamadou Guy-Richard Koné, Charles Guillaume Kodjo, Ahmont Landry Claude kablan, Sopi Thomas Affi, Lamoussa Ouattara & Nahossé Ziao·Chemical Science International Journal·2018
This theoretical study of chemical reactivity was conducted using the method of the Density Functional Theory (DFT), with B3LYP/6-311G (d, p) as calculation level. A series of five (05) Schiff bases derived from 4.4 '-diaminodiphenylsulfone (Dapsone) was concerned and allowed to...
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Research Article10.9734/CSJI/2018/41427
In the present work, microwave extraction conditions to recover high eugenol content in the crude extract from clove were investigated. The effect of factors like temperature, stirring, time, liquid: Solid ratio and solutions of solvent were evaluated with Taguchi’s method. The e...
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Research Article10.9734/CSJI/2018/41105
Aims: Since the end of the nineteenth century, when Werner proposed his theory of co-ordination, the study of metallic compounds has continued to attract the interest of researchers. The present work had as its aim to achieve simultaneous determination of Pb(II), Cu(II) and Ni(II...
Open access
Research Article10.9734/CSJI/2018/40983
The global issue associated with the health of environment and human is the quality of water. A serious threat to the aquatic environment through anthropogenic activities is the heavy metal pollution. To protect our environment from the serious threats of contamination and to sav...
Open access
Research Article10.9734/CSJI/2018/40547
Aims: To investigate the competitive behavior of Cd(II) and Pb(II) ions within their equimolar mixtures, during transportation through a bulk liquid membrane, using macrocyclic carriers. Study Design: Study was based on transport experiments, using homemade transport cell. Place...
Open access
Research Article10.9734/CSJI/2018/41127