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All published articles 999

Gamma-radiation-induced HDPE/Wood Composite: Studies of Morphological, Mechanical and Thermal Properties of the Composites

Babacar Niang, Diene Ndiaye, Moustapha Lô Kholl, L. Y. El Hadj Babacar, Abdou Karim Diallo & Ansou Malang Badji · Chemical Science International Journal · 2017

Wood-polyethylene composites (WPEC) have been prepared with high density polyethylene (HDPE) matrix with pine wood, using maleic anhydride polyethylene (MAPE) as coupling agent and gamma irradiated.  This paper discusses the behavior of the composites after exposure to various ga...

Open access Research Article 10.9734/CSJI/2017/37423

Mathematical Modelling, Energy and Exergy Analysis of Tomato Slices in a Mixed Mode Natural Convection Solar Dryer

Divyasree Arepally, Sudharshan Reddy Ravula, Gulshan Kumar Malik & Venkat Reddy Kamidi · Chemical Science International Journal · 2017

This paper reports the drying kinetics of tomato (Lycopersicon esculentum) with different drying loads in a fabricated mixed mode natural convection solar dryer. The energy utilization ratio (EUR) and exergetic efficiency (ȠEx) was also estimated. Tomato slices were dried to reac...

Open access Research Article 10.9734/CSJI/2017/34878

Physicochemical Properties, Fatty Acid Composition and Antimicrobial Potential of Turk’s Cap (Croton penduliflorus) Seed Oil

Ojo Ayomipo Martins, Amoo Isiaka Adekunle, Ayoade Gbolahan Wahab & Ojo Bukola Caroline · Chemical Science International Journal · 2017

Physicochemical properties, fatty acid composition and antimicrobial potential of Croton penduliflorus seed oils were investigated using standard methods. Physicochemical properties of whole and dehulled seed oils were; colour (dull cinnamon- brown colour and cinnamon- brown colo...

Open access Research Article 10.9734/CSJI/2017/35835

Simulation of Kinetic Model for Anaerobic Digestion of Pharmaceutical Wastewater

Loveth N. Emembolu, Joseph T. Nwabanne, Elijah C. Onu & Innocent O. Obiakor · Chemical Science International Journal · 2017

This work presents the treatment of the pharmaceutical wastewater using anaerobic digestion was carried out in this work. The results obtained showed that most of the wastewater parameters were reduced to acceptable levels after the digestion. The kinetic data was well described...

Open access Research Article 10.9734/CSJI/2017/34050

Qualitative Phytochemical Screening of Bologi (Senecio biafrae) and Bitter Leaf (Vernonia amygdalina) Leaves

A. D. Olasupo, O. V. Olagoke & A. B. Aborisade · Chemical Science International Journal · 2017

The Phytochemical screening of Senecio biafrae and Vernonia amygdalina showed the presence of saponins,tanins, phlobataninss, phenol,anthraquinones, flavonoids, glycoside, steroids, terpens, cardenolides, chalcones,quinones and terpenoids; fixed oil was also determined. The phyto...

Open access Research Article 10.9734/CSJI/2017/35753

Hybrid Adsorbent for Removal of Cd(II), Cu(II), Pb(II) and Zn(II) from Waters Using Submersible Device

Boris S. Smolyakov & Alexey K. Sagidullin · Chemical Science International Journal · 2017

Mesoporous carbon and humic acid - native and oxidized with 5% or 15% hydrogen peroxide - were used to obtain hybrid adsorbents MC-HA, MC-HA5, and MC-HA15, respectively, for removing certain metal ions from water. Fine particles of the hybrid adsorbents were characterized by vari...

Open access Research Article 10.9734/CSJI/2017/36823

Structural and Thermal Studies on Racemic BaC4H4O6•H2O

Takanori Fukami, Seiya Hiyajyo & Shuta Tahara · Chemical Science International Journal · 2017

Single crystals of racemic barium tartrate monohydrate, BaC4H4O6·H2O, were grown at 308 K by a gel method using silica gel as the growth medium. Differential scanning calorimetry, thermogravimetric-differential thermal analysis, and X-ray diffraction measurements were performed o...

Open access Research Article 10.9734/CSJI/2017/36656

Synthesis of Ultra-long Hollow Mercury Selenide (HgSe) Chalcogenide Nanofibers from Co and Ni Sacrificial Nanofibers

Nche George Ndifor-Angwafor, Mominou Nchare, Tchuifon Tchuifon Donald Raoul, Ngakou Sadeu Christian, Anagho Solomon Gabche & Nosang V. Myung · Chemical Science International Journal · 2017

A general synthetic method has been used to fabricate Co and Ni nanofibers. By using the electrospinning technique followed by galvanic displacement reaction, we have successfully prepared ultra-long hollow chalcogen and chalcogenide nanofibers. The outstanding features of this a...

Open access Research Article 10.9734/CSJI/2017/36678

Economical and Simple Preparation of Oleyl Bromide from Commercially Available Olive Oil

Marcelo D. Preite, Francisco J. Castillo, Claudia M. Urbina, Rodrigo E. Faúndez, Juan M. Manriquez & Ivonne A. Chávez · Chemical Science International Journal · 2017

The objective of this work was to get access to a cheap and easy to scale source of oleyl bromide. Starting from commercial olive oil, and using economical reagents and conditions, the conversion was achieved in 5 steps (saponification, distillation, esterification, reduction and...

Open access Research Article 10.9734/CSJI/2017/36289

Preparation, Microstructure and Performance of Activated FA / TiO2-WO3 Composite Photocatalyst

Mande Qiu, Yanlong Cui & Qingjiao Han · Chemical Science International Journal · 2017

The goal of this article was to preparation Fly ash(FA)/TiO2-WO3 Composite Photocatalyst based activation and modify of FA  surface using simple chemical method. The FA carrier and catalysts were investigated through XRD, SEM/EDS and BET. The photocatalytic efficiency of composit...

Open access Research Article 10.9734/CSJI/2017/35086

Evaluation of Elemental Pollution in Roadside Dust Northeast of Nairobi Major Highway and at Thika Town, Kenya

E. G. Maina, A. N. Gachanja & M. J. Gatari · Chemical Science International Journal · 2017

Aims: To evaluate the level of elemental pollution in roadside dust. Study Design: Dust samples were collected along Thika highway at Roysambu and at Thika town. Place and Duration of Study: Department of chemistry, government of Kenya laboratories, from July to December 2016. Me...

Open access Research Article 10.9734/CSJI/2017/35744

Impact of Automobile Repair Activities on Physicochemical and Microbial Properties of Soils in Selected Automobile Repair Sites in Abuja, Central Nigeria

Christopher I. Ekeocha, Christopher I. Nwoko & Lynda O. Onyeke · Chemical Science International Journal · 2017

This research is aimed at evaluating the impact of activities carried out in automobile repair sites on quality of soils in the area. To achieve this target, soil samples were collected from five sampling points in each of the three selected sites (Apo, Kugbo and Zuba) to a depth...

Open access Research Article 10.9734/CSJI/2017/36065

Production of Fat and Sterol by Aspergillus nidulans in Submerged Fermentation

Ogbonnaya Nwokoro, Ogechi H. Ekwem & Uchenna Oyeagu · Chemical Science International Journal · 2017

The efficiency of fat and sterol production by Aspergillus nidulans was evaluated. The fungus was grown in media containing various carbon and nitrogen sources. Some agricultural waste materials namely, corn cob, rice husk and potato peels were also used as sole carbon sources fo...

Open access Research Article 10.9734/CSJI/2017/35197

Synthesis of 4,4'-dihydroxyazobenzeneand 4'-Dihydroxyphenylazo-2-naphthol from Diazotised aniline and Anthocyanins from Delonix regia flower

Lawrence Mark Leonard Ogboji, Oaikhena Zekeri Esezobor, Mulu Emmanuel Khan & John Ogbaji Igoli · Chemical Science International Journal · 2017

The synthesis of 4-phenylazo phenol by coupling anthocyanins extracted from Delonix regia flowers with diazotised aniline is presented in this paper. Also reported here is the reduction of 4-phenylazo phenol to yield 4-aminophenol and coupling of 4-aminophenol to phenol and 2-nap...

Open access Research Article 10.9734/CSJI/2017/35020

Production of Mucuna pruriens (var. utilis) Proteins Isolates Using Central Composite Design and Effect of Drying Techniques on Some Properties

Kom Blaise, Bernard Clémence, Njintang Yanou Nicolas & Kamga Richard · Chemical Science International Journal · 2017

Response surface methodology was used to model the effect of temperature, NaCl concentration and pH on the production of protein from Mucuna pruriens seeds. The analysis of response surface graphs showed that the optimal parameters correspond to a temperature of 27°C, a concentrat...

Open access Research Article 10.9734/CSJI/2017/35376