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...
Open access
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...
Open access
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...
Open access
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...
Open access
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...
Open access
Research Article10.9734/IRJPAC/2014/7388