Aims: To study the photocatalytic method for decreasing the concentration of Cu(II), Cd(II), Cr(VI), and Pb(II) in the solutions. Study Design: The photocatalytical process was proceeded for single solutions containing respective Cu(II), Cd(II), Cr(VI), and Pb(II) ions. Reaction...
Open access
Research Article10.9734/ACSJ/2015/13807
Aims: To report the extent of contamination of floodwater by physicochemical parameters (total suspended solids, total dissolved solid, chemical oxygen demand, biochemical oxygen demand, dissolved oxygen, electrical conductivity, nitrate, nitrite, chloride and sulphate and heavy...
Open access
Research Article10.9734/ACSJ/2015/12649
The kinetic investigations of the redox reaction between malachite green, MG+, and hypochlorite ion, ClO–, were carried out in aqueous HClO4 medium at [H+] = 1x10–3 mol dm–3, µ = 0.1 mol dm–3, T = 25±1°C. The reaction showed a stoichiometry of 1:2, which conforms to the equati...
A conventional laboratory method for the determination of glyphosate and its degradation product aminomethylphosphonic acid (AMPA) is high performance liquid chromatography (HPLC) followed by post column derivatization with o-phthaldialdehyde (OPA). However, AMPA is partly decomp...
Open access
Research Article10.9734/ACSJ/2015/13089
Among the Semiconductor nanoparticle ZnS as an important II-VI semiconductor has been researched extensively because of the broad spectrum of potential application such as catalysis, cathode ray tube (CRT), field emission display (FED) phosphors for a long time. It can be used fo...
Open access
Research Article10.9734/ACSJ/2015/13534
Aims: The study examined the levels of heavy metals in tissues of maize (Zea mays L.), cultivated on four selected dumpsites in Ekiti State, Nigeria; with a view to discouraging constant cultivation of abandoned dumpsites. Study Design: It is an analytical study. Place and Durati...
Open access
Research Article10.9734/ACSJ/2015/9262
The aim of this work was to study the removal of nitrogen (N-) compounds for ultra-low sulfur diesel (ULSD) production purposes by using three commercial materials: selexsorb® CDX (CDX), silica gel (SG), and activated carbon VG-077 (VG-077). The experiments were conducted in thre...
Open access
Research Article10.9734/ACSJ/2015/13830
Josivan S. Costa, Francinaldo S. Braga, Sheylla Susan M. S. Almeida, Ryan S. Ramos, Daímio C. Brito, Alan C. Cunha & Cleydson Breno R. Santos·Chemical Science International Journal·2014
Aims: To characterize relevant physicochemical parameters of water quality in an Amazonian tropical lake and compare them with the reference values of the Brazilian Resolution CONAMA 357/2005 and those recommended by the similar US-EPA law. In addition, to correlate statistically...
Open access
Research Article10.9734/ACSJ/2015/11705
Aim: To determine and compare the bioaccumulation of selected heavy metals- zinc, lead, cadmium, copper, mercury, and cobalt in organs of Clarias gariepinus obtained from fish sellers in the three major markets in Asaba. Place and Duration of Study: Department of Chemistry Educat...
Open access
Research Article10.9734/ACSJ/2015/11968
Four stability-indicating methods were developed for the determination of closantel-Na in the presence of its alkaline degradation products. The first one was HPLC method in which efficient separation was achieved on a C18 analytical column with isocratic elution and a mobile pha...
Open access
Research Article10.9734/ACSJ/2015/13090