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All published articles 1056

A Sequential Injection Analysis Method for the Determination of Glyphosate and Aminomethylphosphonic Acid in Water Samples

Britta Jahnke, Carsten Frank, José F. Fernández & Bernd Niemeyer · Chemical Science International Journal · 2014

A conventional laboratory method for the determination of glyphosate and its degradation product aminomethylphosphonic acid (AMPA) is high performance liquid chromatography (HPLC) followed by post column derivatization with o-phthaldialdehyde (OPA). However, AMPA is partly decomp...

Open access Research Article 10.9734/ACSJ/2015/13089

Characterization and Elastic study on Zinc Sulphide Nanofluid Doped with Neodymium

George Varughese, T. Lincy, S. Sincy & K. T. Usha · Chemical Science International Journal · 2014

Among the Semiconductor nanoparticle ZnS as an important II-VI semiconductor has been researched extensively because of the broad spectrum of potential application such as catalysis, cathode ray tube (CRT), field emission display (FED) phosphors for a long time. It can be used fo...

Open access Research Article 10.9734/ACSJ/2015/13534

Tissues Accumulation of Heavy Metals by Maize (Zea maize L.) Cultivated on Soil Collected from Selected Dumpsites in Ekiti State, Nigeria

E. E. Awokunmi, O. S. Adefemi & S. S. Asaolu · Chemical Science International Journal · 2014

Aims: The study examined the levels of heavy metals in tissues of maize (Zea mays L.), cultivated on four selected dumpsites in Ekiti State, Nigeria; with a view to discouraging constant cultivation of abandoned dumpsites. Study Design: It is an analytical study. Place and Durati...

Open access Research Article 10.9734/ACSJ/2015/9262

Study of the Adsorption of Nitrogen Compounds for Diesel Fuel Production Using Three Commercial Materials

Pedro M. Vega-Merino, Georgina C. Laredo, Fernando Trejo-Zárraga & J. Jesús Castillo · Chemical Science International Journal · 2014

The aim of this work was to study the removal of nitrogen (N-) compounds for ultra-low sulfur diesel (ULSD) production purposes by using three commercial materials: selexsorb® CDX (CDX), silica gel (SG), and activated carbon VG-077 (VG-077). The experiments were conducted in thre...

Open access Research Article 10.9734/ACSJ/2015/13830

Physicochemical Characterization of Water Quality - Lagoa dos Índios in Macapá, Brazil

Josivan S. Costa, Francinaldo S. Braga, Sheylla Susan M. S. Almeida, Ryan S. Ramos, Daímio C. Brito, Alan C. Cunha & Cleydson Breno R. Santos · Chemical Science International Journal · 2014

Aims: To characterize relevant physicochemical parameters of water quality in an Amazonian tropical lake and compare them with the reference values of the Brazilian Resolution CONAMA 357/2005 and those recommended by the similar US-EPA law. In addition, to correlate statistically...

Open access Research Article 10.9734/ACSJ/2015/11705

Determination of Heavy Metals in Fish (Clarias gariepinus) Organs from Asaba Major Markets, Delta State, Nigeria

Kelle Henrietta Ijeoma, Ngbede Esther Onyoche, Oguezi Veronica Uju & Ibekwe Fidelis Chukwuene · Chemical Science International Journal · 2014

Aim: To determine and compare the bioaccumulation of selected heavy metals- zinc, lead, cadmium, copper, mercury, and cobalt in organs of Clarias gariepinus obtained from fish sellers in the three major markets in Asaba. Place and Duration of Study: Department of Chemistry Educat...

Open access Research Article 10.9734/ACSJ/2015/11968

Stability-indicating Methods for the Determination of Closantel Sodium by HPLC, Densitometry, Spectrofluorimetry and pH Induced ∆A

Sawsan A. Abdel Razeq, Asmaa O. El Demerdash & Hoda F. El Sanabary · Chemical Science International Journal · 2014

Four stability-indicating methods were developed for the determination of closantel-Na in the presence of its alkaline degradation products. The first one was HPLC method in which efficient separation was achieved on a C18 analytical column with isocratic elution and a mobile pha...

Open access Research Article 10.9734/ACSJ/2015/13090

Adsorption of Mn2+ and Zn2+ in Aqueous Solution by Using Aluminum Pillared Clay from Boboyo (Far North Cameroon)

M. Harouna, R. Djakba, J. P. Nguetnkam, B. B. Loura, Ileana DenisaNistor & J. M. Ketcha · Chemical Science International Journal · 2014

The use of clay materials in the treatment of filthy water and industrial waste is a promising way for the restoration of the environment. Following this view, clay materials of Boboyo (from Far North Region of Cameroon), specially made up of smectite, have been pillared with pol...

Open access Research Article 10.9734/ACSJ/2015/11726

Effect of Radiation on Unsteady MHD Flow of a Chemically Reacting Fluid Past a Hot Vertical Porous Plate: A Finite Difference Approach

K. Srihari & K. Avinash · Chemical Science International Journal · 2014

The paper deals with the effect of radiation on unsteady free convention flow of a viscous, incompressible, electrically conducting fluid past an infinite hot vertical porous plate embedded in porous medium. A magnetic field of uniform strength is applied normal to the fluid flow...

Open access Research Article 10.9734/ACSJ/2015/11486

Single and Competitive Adsorption of Linear and Branched Paraffins over Silicalite: Thermodynamic and Kinetic Study

Arsène H. Yonli, Isabelle Gener-Batonneau & Samuel Mignard · Chemical Science International Journal · 2014

A thermodynamic and kinetic study was realized by competitive and non-competitive adsorption for the separation of n-hexane isomers. Two mixtures of n-C6/3MP and 3MP/23DMB were studied.  For the single component adsorption the maximal adsorption capacity were close for the differ...

Open access Research Article 10.9734/ACSJ/2015/13240

Assessment of Health Hazard of Metal Concentration in Groundwater of Bangladesh

A. R. M. Towfiqul Islam, M. A. Rakib, M. Saidul Islam, Khurshida Jahan & Masum A. Patwary · Chemical Science International Journal · 2014

The study was to assess health hazard of metal concentation in groundwater of Bangladesh for drinking purposes. A number of 13 deep tube wells were selected purposively for collecting groundwater samples from the different sampling location of the study area. The study was carrie...

Open access Research Article 10.9734/ACSJ/2015/13175

Natural Latex Films as Carrier for Casearia sylvestris Swartz Extract Associated with Ciprofloxacin

Luis Felipe Cesar Bolognesi, Felipe Azevedo Borges, José Luiz Ferreira Cinman, Rosângela Gonçalves da Silva, André Gonzaga dos Santos & Rondinelli Donizetti Herculano · Chemical Science International Journal · 2014

In order to create a new sustained drug delivery system applied for tissue regeneration, this study beget a natural rubber latex (NRL) film with Casearia sylvestris extract and ciprofloxacin. Manipulated from the biomaterial latex obtained by the rubber tree Hevea brasiliensis, t...

Open access Research Article 10.9734/ACSJ/2015/12263

Effect of Al2O3 Filler on Mechanical Behavior Acrylic Films

A. R. Bansod, O. P. Chimankar, A. Gandhe & B. Sannaki · Chemical Science International Journal · 2014

In order to improve the mechanical properties of acrylic films, Poly methyl-methacrylate (PMMA)/Aluminum oxide (Al2O3) films are prepared following solution casting technique. The mechanical behavior of prepared films has been analyzed by employing Ultrasonic Pulse Echo method. T...

Open access Research Article 10.9734/ACSJ/2015/12031

Synthesis and Characterization of SiO2 Nanoparticles by Sol-Gel Process and Its Degradation of Methylene Blue

Ruchi Nandanwar, Purnima Singh & Fozia Z. Haque · Chemical Science International Journal · 2014

Nanomaterials are used for the miniaturization of particular electronic device. But new era of technology demands a cheaper and more commercial method to produce excellent material especially silicon dioxide. The present work deals with the sol-gel synthesis of SiO2 material and...

Open access Research Article 10.9734/ACSJ/2015/10875