A chitosan-alumina composite was prepared by coating chitosan, a glucosamine biopolymer, on activated alumina to remove chromium (VI) ion from tannery effluent. Chitosan was prepared from by demineralization and deproteinization of indigenous shrimp shell collected from Khulna, B...
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Research Article10.9734/IRJPAC/2016/21856
The atomic short range order (SRO) parameters (αi) have been investigated in polycrystalline alloys i.e., Ni20Pd80 and Au25Pd75. The Ni20Pd80 alloy was annealed at different temperatures (100 to 600°C) then studied with X-ray diffraction (XRD). The electronic theory of atomic sho...
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Research Article10.9734/IRJPAC/2016/20030
Aims: To develop a new eco-friendly method for the extraction and pre-concentration of Bendiocarb (BC) in real samples by using micelle-mediating extraction (MME) coupled with visible spectrophotometry after oxidative coupling with O-Toluidine. Study Design: All factors affecting...
Open access
Research Article10.9734/IRJPAC/2016/21948
Speciation of heavy metals (Zn, Fe, Cr, Cd, Cu and Pb) was carried out on the top and bottom sediment samples of two sampling sites in river Ilaje, Nigeria during the dry and rainy seasons. The samples were subjected to sequential extraction method and the extracts were analyzed...
Open access
Research Article10.9734/IRJPAC/2016/22031
Aims: This study aimed to investigate the levels, patterns sources and health risk of Polycyclic Aromatic Hydrocarbons (PAH) in soils and root crops of Ikot Oborenyin, Nigeria. Study Design: Samples were collected from two sites; the study and control sites. At each site, a plot...
Open access
Research Article10.9734/IRJPAC/2016/20154
This study was conducted to evaluate the feasibility of P-Cresol removal from aqueous solutions using canola stalk. The effect of Contact time, Concentration of P-Cresol, biomass dosage and pH on adsorption of P-Cresol by canola biomass were also evaluated. The results showed tha...
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Research Article10.9734/IRJPAC/2016/20507
The calculation and 3D modeling of the partial Gibbs free energy and YbTe liquidus, as well as the crystallization surface of solid solutions based on (Sb2Te3)y(Bi2Te3)1-y in the ternary YbTe-Sb2Te3-Bi2Te3 system were carried out by using the equations of thermodynamics of non-mo...
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Research Article10.9734/IRJPAC/2016/21890
The removal of sulfur compounds from Tawke diesel fuel is processed by the use of granular Na-Y type zeolite, MOR type zeolite, molecular sieve 3A type, local clay and activated charcoal. The results are characterized by sulfur meter and infrared spectroscopy to improve the resul...
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Research Article10.9734/IRJPAC/2016/18119
A new selective oxidation reaction for the oxidation of alcohols to aldehydes and ketones is described. N-Chloramines are used as the oxidant together with dialkylsulfide. This Swern-type reaction can be performed at room temperature without an additional base and the dialkylsulf...
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Research Article10.9734/IRJPAC/2016/20573
A quantum chemical study of the efficiency of some nitro benzenamine derivatives as corrosion inhibitors of mild steel in acidic medium was investigated. Density Functional Theory (DFT) at the B3LYP/6-31G* level was used for the calculation. The calculated quantum chemical parame...
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Research Article10.9734/IRJPAC/2016/20772
In this work, the synthesis of Ni3Pb2S2 thin films using chemical bath deposition method was carried out. The films were deposited onto glass substrate from aqueous solutions in the absence of complexing agent. The atomic force microscopy analysis showed that the non-uniformity s...
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Research Article10.9734/IRJPAC/2016/20775
The UV-visible spectra of indolino spirobenzoxazine were recorded in polar protic solvents, methanol and ethanol and polar aprotic solvent, acetone. The results showed a hypsochromic shift in the wavelength of maximum absorption with increase in solvent polarity. pH variation fro...
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Research Article10.9734/IRJPAC/2016/19768
This article presents synthesis of 2,4,6-trisubstituted-1,3,5-triazine derivatives. New compounds were obtained by sequential nucleophilic substitution of chlorine atoms in cyanuric chloride. Structure of all synthesized compounds was confirmed by spectral and elemental analysis....
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Research Article10.9734/IRJPAC/2015/20466
Aim: To prepare Activated carbon (AC) from local agro-forestry wastes, and apply it in dye adsorption in order to assess its efficiency in wastewater treatment. Study Design: Laboratory analysis for various parameters. Place and Duration of Study: Department of Chemical Engineeri...
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Research Article10.9734/IRJPAC/2015/19229
The effect of Cr2O3 nanoparticles embedded in PVA on the structural, electrical and optical properties of composite films is studied experimentally. Sample is PVA films embedded with different sizes and concentrations of Cr2O3 nanoparticles. Structural properties are studied usin...
Open access
Research Article10.9734/IRJPAC/2015/19118