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...
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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
A series of sandwiched films in the configuration, Ni(100nm)/Al(t)/Ni(100nm); t = 10nm, 20nm,……, 100nm (labeled as NAN1, NAN2, ………, NAN10) were deposited by thermal and electron beam gun evaporation techniques. The films were deposited onto the glass substrates held at 473K, unde...
Open access
Research Article10.9734/IRJPAC/2014/11187
UV light photolysis of chloroacetyl chloride (CH2ClCOCl) has been investigated using infrared spectroscopy in cryogenic Ar, Kr, Xe and O2 matrices. In all matrices, CHCl=C=O, HCl, CH2Cl2 and CO were produced, with the relative yields depending on the used matrix gas. The relative...
Open access
Research Article10.9734/IRJPAC/2014/12002
The UV light photolysis (λ >260 nm) of benzoyl chloride was investigated using matrix isolation FT-IR spectroscopy and computational methods (MP2, B3LYP, CCSD, and SAC-CI). The photolysis products were found to bechlorobenzene and CO. An intermediate species was identified wit...
Open access
Research Article10.9734/IRJPAC/2014/11796
Aims: To investigate the antidiabetic activity of the root bark of Maytenus senegalensis ethnomedically used in Nupeland for the management of diabetes and isolate phytoconstiteunts responsible for the pharmacological activities. Study Design: Air-dried root bark Maytenus senegal...
Open access
Research Article10.9734/IRJPAC/2014/8616