Water samples from the Sombreiro River were collected from ten different stations and analysed for some physico-chemical parameters. The physico-chemical parameters include temperature, pH, conductivity, total dissolved solids, phosphate, Nitrate, Ammonia-Nitrogen, sulphate, chlo...
Open access
Research Article10.9734/IRJPAC/2014/6124
Aims: To develop a new selective approach for the extraction and determination of trace amounts of As(III) and As(V) in some food samples by cloud point extraction (CPE) using two new synthesized ligands coupled with hydride-generation atomic absorption spectrometry (HG-AAS). St...
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Research Article10.9734/IRJPAC/2014/8043
Benzamide (C6H5CONH2) is the first representative of the aromatic acid amides. Its molecule contains an amide group. Amide group is the main structural unit of polyamides, peptides and proteins. This functional group plays a special role in very important vital processes. The aro...
Open access
Research Article10.9734/IRJPAC/2014/7645
The increase in groundwater demand for various human activities has placed great importance on water science and management globally. Human health, industrial and agricultural development as well as the ecosystem is all at risk unless soil and water resources are effectively mana...
Open access
Research Article10.9734/IRJPAC/2014/7160
The graphene nano sheets (GNS) and nitrogen doped graphene (N-G) were used as supporting materials to deposit Pt particles in order to investigate the support material effect for oxygen reduction reaction (ORR) activity. The ORR activity of platinum on GNS (Pt/GNS) is higher than...
Open access
Research Article10.9734/IRJPAC/2014/9624
Some novel surfactants in the series of fatty acids were synthesized based on palm oil. The inhibition efficiency (η %) of these surfactants has been studied by linear polarization corrosion rate and potentiodynamic polarization measurements in CO2-saturated brine at 50ºC. A sign...
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Research Article10.9734/IRJPAC/2014/4524
In present communication, we report the synthesis of 3,5-disubstituted-1,2,4-oxadiazoles derivatives from amino acid derivative with excellent 80-95% yields via a fast and easy procedure under mild conditions. Structures of all the newly synthesized compounds were elucidated base...
Open access
Research Article10.9734/IRJPAC/2014/5955
Azo compounds are an important class of organic colorants which consist of a conjugated chromophore azo (-N=N-) group in association with one or more aromatic or heterocyclic systems]. Azo dyes based on heterocyclic amines have higher tinctorial strength and give brighter dyeing...
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Research Article10.9734/IRJPAC/2014/5749
We report the results of the search of quantum-chemical model-based relationships between electronic structure and anti-inflammatory and antiproliferative activity against HL60 and T-cells of a group of 6,7-substituted-5,8-quinolinequinones. The wave functions and local atomic re...
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Research Article10.9734/IRJPAC/2014/7876
The effect of organic matter removal and adsorbate solution composition on phosphate sorption by selected soil in Moro Local Government of Kwara State (Malete and Elemere) was studied. The organic matter was removed by treating the soil with hydrogen peroxide. This is referred to...
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Research Article10.9734/IRJPAC/2014/7388
Aims: The main objective of this research is to establish an efficient route for obtaining dumbbell bimetallic nanoparticles. Likewise, correlating the results of structural characterization with the particles synthesis conditions. Methodology: Fe nanoparticles were obtained usin...
Open access
Research Article10.9734/IRJPAC/2014/7595
Three novel Salicylaldehyde derived macrocyclic Schiff bases were synthesized and well characterized by Elemental analyses, IR, Mass and 1HNMR spectral data. The liquid-liquid extraction of metal cations (Ag+ and Cu2+) from aqueous phase to organic phase was carried out using the...
Open access
Research Article10.9734/IRJPAC/2014/8147
The reactive, macroporous glycidyl methacrylate (GMA) and divinyl benzene (DVB) polymer was synthesized with a mixture of cyclohexanol and lauryl alcohol as liquid pore-forming agents and nano-calcium carbonate as solid one via suspension polymerization. The surface structure of...
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Research Article10.9734/IRJPAC/2014/7241
Aims: To evaluate the thermodynamical parameters and their excess functions to find the molecular interactions between unlike molecules in ternary liquid mixtures. Study Design: Ultrasonic velocities, densities and viscosities have been measured for the ternary mixtures of quinol...
Open access
Research Article10.9734/IRJPAC/2014/6636
The production of bio-ethanol from corn chaff and cassava waste water was carried out after pretreatment with liquid hot water. Proximate analysis was carried out on the wastes using standard methods and the results obtained for corn chaff were carbohydrate (1.64%), fibre (22%),...
Open access
Research Article10.9734/IRJPAC/2014/6913