Biosorption of copper on raw and activated (AC) spines of Bombax buonopozense in a batch system was studied. The percentage removal of copper was found to be a function of pH, contact time, dosage, initial metal concentration and temperature. The experimental results were analyze...
Open access
Research Article10.9734/IRJPAC/2014/12083
Human activities had been the major causes of water pollution, and the presence of heavy metals could be an indicator that water bodies are polluted. This research examined the concentration of heavy metals in well and bore hole water from three different areas (Bodiga, Labana fa...
Open access
Research Article10.9734/IRJPAC/2014/11640
Rice straw is a locally available lignocellulosic material. In this study rice straw was pretreated by soaking it in water for 48 hours at room temperature. The pretreated straw was cooked in 5% NaOH at 100ºC and atmospheric pressure. The structure and mechanical properties of pa...
Open access
Research Article10.9734/IRJPAC/2014/7347
Eight samples of iron slag and two metallic artefacts from two Early Iron Age sites in central Bosnia and Herzegovina, Čolaci and Pod, were analysed using chemical instrumental methods. Atomic absorption spectrometry was applied to determine major (Fe, Al, Ca, Na, Mg, K and Mn) a...
Open access
Research Article10.9734/IRJPAC/2014/12248
The kinetics of the oxidation of thiocarbamide (thiourea) by diaquotetrakis(2,2’- bipyridine) - µ - oxodiruthenium (III) ion, [(bpy)2(H2O)RuORu(H2O)(bpy)2]4+, in perchloric acid has been investigated at a temperature, T = 30±1ºC, ionic strength, I = 0.5 mol dm-3 (NaClO4) and hydr...
Open access
Research Article10.9734/IRJPAC/2014/11517
The oxidation of diazepam (DZ) by N-Bromosuccinimide (NBS) in aqueous acid medium follows a first-order kinetics in [NBS] and a fractional-order each on [HCl] and [DZ]. The reaction stoichiometry involves one mol NBS consumed by one mol DZ. The rate of the reaction increases w...
Open access
Research Article10.9734/IRJPAC/2014/10534
Aims: The corrosion inhibition performance of an organic dye, Basic Red 46, was studied against the corrosion of copper in 1M HCl. The adsorption isotherm of the used dye was also evaluated. Study Design: Electrochemical methods were used for this study. The corrosion of copper s...
Open access
Research Article10.9734/IRJPAC/2014/12330
Iron hydroxide (Fe(OH)3) coprecipitation and an eco-friendly flotation technique by use of gamma poly-glutamic acid (γ-PGA) was developed for removal of heavy metals from water. Effects of PGA concentration and the flotating time on the flotation of Fe(OH)3 precipitate and remova...
Open access
Research Article10.9734/IRJPAC/2014/10936
In the present case, biodegradable starch interactions with various surfactants have been studied for the investigation of ability and cleansing activity of the starch-surfactant-water system. The surfactants investigated were sodium dodecyl sulphate (SDS) sodium octanoate (NaOct...
Open access
Research Article10.9734/IRJPAC/2014/10562
The fate of organic contaminants in sediment can be better accurately predicted through knowledge of desorption. Complex formation between perflurooctane sulphonates (PFOS) and active sites on sediment components, especially, the level of organic matter plays significant role in...
Open access
Research Article10.9734/IRJPAC/2014/10592