Physico-chemical parameters, Zinc and Iron levels of sixteen different samples of the domestic waters obtained from some designated areas in Katsina metropolis were determined to ascertain the level of water quality. The parameters investigated were pH: (6.55±0.10-8.34±0.15), tur...
Open access
Research Article10.9734/IRJPAC/2015/13512
An investigation of the heavy metal contents in road dust is vital in assessing the potential environmental impacts of vehicular emissions on the soil. In this study, dust samples were collected from Jos metropolis and were analysed for heavy metals (Pb, Zn, Mn, Cu, Co, Cd and Fe...
Open access
Research Article10.9734/IRJPAC/2015/14150
The health risks posed by organochlorine compounds to the total environment have continued to elicit concern among researchers in developing countries worldwide. Hence, this study focused on investigating the levels of Organochlorine pesticides residues in water sediment and fish...
Open access
Research Article10.9734/IRJPAC/2015/13199
Aims: To study the adsorption efficiency of acid-treated sawdust composite beads (SDCCB) for Cr(VI) ions and to optimize the process variables using Response Surface Methodology (RSM). Study Design: Preparation of SDCCB, Characterization of SDCCB, Study of influence of variables...
Open access
Research Article10.9734/IRJPAC/2015/13834
The kinetics of the oxidation of malachite green, MG+, by dithionite ions, S2O42- have been studied spectrophotometrically in an aqueous acid free medium. The investigation was carried out under pseudo- first order conditions of an excess of dithionite concentration. Reaction con...
Open access
Research Article10.9734/IRJPAC/2015/12428
Sensing and mitigating explosives are critical for homeland security. This paper investigates the electrochemical responses of TiO2 nanotubes exposed to several chemicals including ammonium nitrate, hydrogen peroxide, methanol, ethanol and ethylene glycol which are used directly...
Open access
Research Article10.9734/IRJPAC/2015/14263
There are 30 heterometallic Fe/Ag complexes in this review. The complexes contain the following metallic cores: FeAg, Fe2Ag, FeAg2, FeAgW, Fe2Ag2, FeAg3, Fe4Ag, Fe3Ag2, Fe2Ag4, Fe2Ag2Pd2, Fe6Ag, Fe4Ag4, Fe4Ag5, Fe3Ag6 and {FeAg}n. The mean M-M bond distance elongated in the order...
Open access
Research Article10.9734/IRJPAC/2015/13420
The time required for the shift in pH after addition of small quantities of a weak acid into fixed volumes of spring water was measured once per minute while the sample was exposed to magnetic field configurations that have been shown to influence photon emissions and to produce...
Open access
Research Article10.9734/IRJPAC/2015/13156
Six impurities were identified in the lab development batches during the course of benzimidazole intermediate (1) synthesis by reverse phase HPLC method. Intermediate 1 is used as a common and advanced intermediate in the synthesis of candesartan and azilsartan. All the impuritie...
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Research Article10.9734/IRJPAC/2015/13162
Jatropha cake is a promising renewable energy source after proving difficult to be used as feedstock. Its possible use as a combustible fuel makes the Jatropha cake pellet important as a source of potentially harmful gases to the users and the environment. This makes it imperativ...
Open access
Research Article10.9734/IRJPAC/2015/12889
A novel polymer based on sorbitol, polyethylene glycol, citric acid has been synthesized using HCl as catalyst. The experimental conditions, order of addition of ingredients, ratio of ingredients, catalyst, time and temperature have been standardized to get desired molecular weig...
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Research Article10.9734/IRJPAC/2015/12459
Solutions of sodium dodecyl sulphate (SDS) and polyvinyl alcohol (PVOH) were used respectively as surfactants in comparative viscosity measurements of pure polyvinyl acetate (PVAc) emulsion, natural rubber (NR) latex and their blends using Ostwald glass capillary viscometer. Resu...
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Research Article10.9734/IRJPAC/2015/7688
The mannich reaction is one of the most important C-C bond formation methods in organic synthesis. The mannich-reaction is employed in the organic synthesis of natural compounds like for instance peptides-nucleotides-antibiotics and alkaloids. Other application are in agroche...
Open access
Research Article10.9734/IRJPAC/2015/13111
Over 100 heterometallic FeCu complexes, from heterodi- to heteropolymeric have been included in this review. The complexes contain the FeCu, Fe2Cu, FeCu2, FeCuMo; Fe3Cu, Fe2Cu2, Fe2CuM (M=Hg or Co); Fe4Cu, Fe3CuTe; Fe4Cu2, Fe3Cu3; FeCu6, FeCu2Ru4; Fe4Cu4, Fe4Cu5; Fe6Cu5 and {FeCu...
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Research Article10.9734/IRJPAC/2015/12290
Assessment of the phytochemical, proximate, vitamins and mineral composition of S. gilo L was undertaken using standard methods. The phytochemical screening revealed that the plant contained tannins, saponins, phenols, cyanogenic glycosides, alkaloids and flavonoids, The results...
Open access
Research Article10.9734/IRJPAC/2015/12484