Amine El Farrouji, Rachid Mohamed Tchalala, Abderrahim Chihab Eddine, Ahmad Mehdi, Larbi El Firdoussi & Mustapha Ait Ali·Chemical Science International Journal·2021
Nanostructured ZnO was prepared using a facile solution-phase method at room temperature without need to calcination. Oxidation of zinc sulfate by sodium hypochlorite in the presence of polyethylene glycol (PEG) and sodium hydroxide (NaOH) gave pure nanostructured zinc oxide (ZnO...
Open access
Research Article10.9734/CSJI/2021/v30i330220
Biopolymer (chitosan) was isolated from crab shell waste through the processes of demineralization, deproteinization, decolourization and deacetylation. The resulting chitosan (CHS) was further treated with silver nitrate (AgNO3) solution at various concentrations (0.5, 1.0 and 1...
Open access
Research Article10.9734/CSJI/2021/v30i230218
Degradation kinetics and color removal of 2-(4-hydroxyphenylazo)benzoic acid azo dye by the hydrogen peroxide/ultraviolet irradiation and sodium hypochlorite/ultraviolet irradiation processes were carried out in Spectroline CM-10A Model ENF-260C/FE photoreactor which has ultravio...
Open access
Research Article10.9734/CSJI/2021/v30i230217
The 1:3 complexes of lanthanoid (III) ions as Nd(III), Sm(III), Tb(III) and La(III) with biacetyl monoxime hydrazone salicyalidene have been prepared and characterized by elemental analysis, IR, PMR, electronic spectra, molar conductance and magnetic properties. All these complex...
Open access
Research Article10.9734/CSJI/2021/v30i230216
The fractions from young leaves of mangrove Sonneratia alba was studied for its associated secondary metabolites and antioxidant activities. The objective of this study was to determine the secondary metabolite components and antioxidant activity of water, ethyl acetate, and hexa...
Open access
Research Article10.9734/CSJI/2021/v30i230215
The aim of this study is to characterize phosphates adsorption kinetics on the superficial sediments of Vridi channel from its new hydromorphology. So, three scenarios have been carried out taking account the different waters seasons of this estuary by using pH and temperature as...
Open access
Research Article10.9734/CSJI/2021/v30i230214
Sulal River is a victim of nutrient pollution as it crosses different small-scale tea farms in Bureti Sub County, Kericho County. A study was conducted to evaluate different physicochemical parameters and major chemical fertilizer’s nutrients levels in water and sediments from Su...
Open access
Research Article10.9734/CSJI/2021/v30i130213
The aim of this research is to develop environmentally friendly, lightweight composites using egg shell, as filler in some thermoplastic polymer matrices Polypropylene (PP), High Density Polyethylene (HDPE), Acrylonitrile-Butadiene-Styrene (ABS) and Polystyrene (PS) polymer; to d...
Open access
Research Article10.9734/CSJI/2021/v30i130212
Kadjo François Kassi, Jean Missa Ehouman, Mamadou Guy-Richard Koné, Lamoussa Ouattara, Georges Stephane Dembele & Nahossé Ziao·Chemical Science International Journal·2021
The work was undertaken as part of the Buruli ulcer control program. It is particularly about the determination of the lipophilicity of mycolactones A/B and C, infectious factors of Mycobacterium ulcerans, the agent of Buruli ulcer. The REKKER method and some free software such a...
Open access
Research Article10.9734/CSJI/2021/v30i130211
Fluoride compounds have the most harmful effects on the environment. The main source of fluoride in the soil is phosphorus-containing fertilizers. Purification of wet-process phosphoric acid (WPPA) from fluorine will significantly reduce its content in phosphorous-containing fert...
Open access
Research Article10.9734/CSJI/2021/v30i130209