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All published articles 1056

Tribological Aspects of Thermally Sprayed Red Mud-Fly Ash and Red Mud-Al Coatings on Mild Steel

Harekrushna Sutar, Subash Chandra Mishra, Santosh Kumar Sahoo, Himanshu Sekhar Maharana & Ananta Prasad Chakraverty · Chemical Science International Journal · 2014

The present research work explains the dry sliding wear characteristics of thermally sprayed red mud and its composite coatings. Composite of red mud, fly ash and aluminium are plasma sprayed at 6, 9, 12 and 15 kW operating power levels. The coatings were experimented to study th...

Open access Research Article 10.9734/ACSJ/2014/12691

Microwave-Assisted Synthesis, NMR, and Cyclic Voltammetric Study of Some Novel 3,5-Disubstituted 1H-1,2,4-Triazoles Containing Hetaryl Fragments

Yaseen A. Al-Soud, Ziad Moussa & Ali F. Al-Ghamdi · Chemical Science International Journal · 2014

The synthesis of the title compounds 5a-c has been accomplished by a Suzuki cross coupling reaction between arylbromide 3 and 5-Indole boronic acid to furnished precursor 4, which was used as a key intermediate for the synthesis of the preceding targets. Thus, treatment of 4 with...

Open access Research Article 10.9734/ACSJ/2014/12036

Adsorption of Copper by Raw Pinecone

A. O. Adeyemo, K. O. Adebowale & B. I. Olu-Owolabi · Chemical Science International Journal · 2014

This work was carried out in order to study the possibility of using pinecones as inexpensive sorbent material for the removal of copper ions in solution. The experiment was carried out in the Department of Chemistry, University of Ibadan, Ibadan, Oyo State, Nigeria. Batch adsorp...

Open access Research Article 10.9734/ACSJ/2014/11115

Speciation of Some Trace Metals in Floodplain Soil of Eke-Mgbom, Afikpo, Nigeria

L. O. Ajala, V. I. Onwukeme & M. N. Mgbemena · Chemical Science International Journal · 2014

Floodplain soil sediment at Eke-Mgbom, Afikpo, Nigeria, was sampled and subjected to chemical fractionation to reveal the geochemical forms in which some trace metals existed. The investigation was conducted to evaluate the bioavailability of these metals to receptor organisms. T...

Open access Research Article 10.9734/ACSJ/2014/11787

Corrosion Inhibition Effect of Phenolic Extract of Gnetum africana on Copper in 1.0 mol/dm3 Ammonium Hydroxide

A. O. Aliyu & Ebere Onyedikachi · Chemical Science International Journal · 2014

Corrosion Inhibition of phenolic extract of Gnetum africana on copper in 1.0 mol/dm3 ammonium hydroxide has been studied using gravimetric (weight-loss) and potentiodynamic polarization techniques. Inhibition efficiency increases with increase in inhibitor concentration, while co...

Open access Research Article 10.9734/ACSJ/2014/11661

Contamination of Estuary Water of Ship Breaking Activities in Sitakund Region, Bangladesh

A. R. M. Towfiqul Islam, Masum A. Patwary, M. Saidul Islam, Nourin Akter, M. A. Rakib & M. K. Roy · Chemical Science International Journal · 2014

The present study aimed to investigate hydrogeochemistry and its suitability for drinking and irrigation purposes and to determine the contamination of estuary water of ship breaking activities in Sitakunda region, Chittagong, Bangladesh. The study was carried out by in-situ fiel...

Open access Research Article 10.9734/ACSJ/2014/12364

Modeling of Advanced Photo Oxidation of Alizarin Red-S Dye Using Tio2 as Photo Catalyst

Tariq H. Talib, Murad A. AlDamen & Ramzie R. Alani · Chemical Science International Journal · 2014

The objective of this study was to investigate the experimental study and theoretical study of advanced photo oxidation using TiO2 as photo catalyst and to compare between these two studies. This work contains two parts, the first part was removing efficiency of an industrially i...

Open access Research Article 10.9734/ACSJ/2014/7662

Unsteady MHD Heat and Mass Transfer Flow over Stretching Sheet in Porous Medium with Variable Properties Considering Viscous Dissipation and Chemical Reaction

D. Hunegnaw & N. Kishan · Chemical Science International Journal · 2014

Unsteady magneto hydrodynamic heat and mass transfer flow of viscous, incompressible fluid flow over a stretching sheet embedded in a porous medium with variable viscosity and thermal conductivity have been analyzed, by taking into account viscous dissipation and chemical reactio...

Open access Research Article 10.9734/ACSJ/2014/11972

Studies, Synthesis and Characterization of Chelation Ion-Exchange Properties of Copolymer Resin Derived from 8-Hydroxyquinoline-Formaldehyde-Pyrogallol

Soumaya Gharbi, Jameleddine Khiari & Bassem Jamoussi · Chemical Science International Journal · 2014

Chelating ion-exchange resin was synthesized by the condensation of 8-hydroxyquinoline with pyrogallol using formaldehyde as a cross-linking agent at 120ºC in DMF in the presence of hydrocloric acid catalyst. The resin was characterized by elemental analysis and FTIR. The morphol...

Open access Research Article 10.9734/ACSJ/2014/10877

Prediction of Substituent Types and Positions on Skeleton of Myrcane-Type Monoterpenoids using Generalized Regression Neural Network

Taye T. Alawode & Kehinde O. Alawode · Chemical Science International Journal · 2014

Aim: To explore the ability of GRNN as a tool of structural elucidation in predicting the substituent types on myrcane, one of the representative skeletons of monoterpenoids. Methodology: Generalized regression neural network (GRNN) was used in the study. Carbon-13 (13C) NMR chem...

Open access Research Article 10.9734/ACSJ/2014/11441

Assaying Antioxidant and Antimicrobial Activities of 1-phenyl-3-naphthoic acid Derivatives

R. P. Mahashabde, N. S. Kadam, S. S. Deo & F. Inam · Chemical Science International Journal · 2014

Laboratory synthesized 1-phenyl naphthoic acid systems (substituted naphthalenes or lignans) were evaluated for their antioxidant and antimicrobial potential. All the phenyl  naphthoic acids showed significant to moderate antioxidant activity in DPPH (2, 2-diphenyl- 1-picrylhydra...

Open access Research Article 10.9734/ACSJ/2014/7460

Heavy Metals Contents in Soils and Some Crops Irrigated Along the Bindare Stream Zaria- Kaduna State, Nigeria

M. A. Funtua, E. B. Agbaji & A. A. Pam · Chemical Science International Journal · 2014

Heavy metal contents of some crops and farm soil irrigated along the Bindare stream in Chikaji Zaria were investigated. The results of the analysis indicate that the crops contained substantial amount of heavy metals (Pb, Cr, Zn and Fe) compared to similar crops irrigated   far d...

Open access Research Article 10.9734/ACSJ/2014/11858