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All published articles 1056

Synthesis, Characterization and Application of Zn/Al-CO3 ¬for the Removal of Lead Ions

N. Ayawei, A. K. Inengite, D. Wankasi & E. D. Dikio · Chemical Science International Journal · 2015

  In the present work, Zn/Al layered double hydroxide of ratio 2:1 was synthesis by co-precipitation method from their nitrate salts and utilized as adsorbent for the removal of lead ions from aqueous solution. The synthesized Zn/Al-CO3 was characterized by SEM, XRD and FTIR. The...

Open access Research Article 10.9734/ACSJ/2015/18202

Synthesis, Characterization and Antimicrobial Studies of Oxo Vanadium (IV & V) Complexes with Semi and Thiosemicarbazones of Furan-2-Carbaldehyde and Pyrrole-2-carbaldehyde

Sushil Kumar Sen & Atnafu Guadie Assefa · Chemical Science International Journal · 2015

Oxovanadium (IV & V) complexes were synthesized from semi- and thiosemicarbazones (L1, HL2, HL3 and H2L4) derived from furan-2-carbaldehyde (L1, HL2) and pyrrole-2-carbaldehyde (HL3, H2L4). The solid isolated complexes were characterized through elemental analysis, UV-Visible...

Open access Research Article 10.9734/ACSJ/2015/15615

Emission Characteristics, Fuel Efficiency and Engine Power of Neem Oil Biodiesel Determined From IC Engine

Olugbenga Olufemi Awolu · Chemical Science International Journal · 2015

Aims: To evaluate the emission characteristics and engine performance of neem oil biodiesel using a single cylinder one-stroke 165 jet diesel engine. Study Design:  Automotive gas oil (AGO) was blended with neem oil biodiesel (NOB) in the following percentages (100:0; 90:10; 80:2...

Open access Research Article 10.9734/ACSJ/2015/17740

Synthesis and Characterization of Some Coordination Polymalimides

Mohammed K. Younis, Salwan I. Mohammed & Chira Lazgin · Chemical Science International Journal · 2015

Twelve polymeric complexes were prepared from the polymerization of phenylazo-3-N-(4-hydroxyphenyl) maleimide and Phenylazo-3-N-(3-hydroxyphenyl) maleimide, with salts of Cr3+, Co2+, Ni2+, Mn2+, Cu2+ and Fe2+ these complexes were characterized by U.V., I.R. spectroscopy, elementa...

Open access Research Article 10.9734/ACSJ/2015/18107

An Assessment of the Impact of Chemical Insecticides Used to Control Desert Locust (Schistocerca gregaria) (Orthoptera, Acrididae) on Lacertid Lizard Acanthodactylus spp (Sauria, Lacertidae) in Niger

Mamadou Abdou · Chemical Science International Journal · 2015

Chemical treatments still constitute the main method used to control desert locust during the invasion phases. In addition to their relatively high costs, these pesticides are not target specific in the majority of the cases; they can have negative effects on the biotic and abiot...

Open access Research Article 10.9734/ACSJ/2015/16556

Spectral Study of Aggregation Behavior of Remazol Brilliant Violet-5r Dye in Cationic Ligand Solutions

Ashraf El-Hashani, Abdelmeneim El-Dali & Khaled M. Elsherif · Chemical Science International Journal · 2015

An UV-VIS spectrophotometric investigation has been made to study the interaction and aggregation of anionic remazol brilliant violet-5R (RBV-5R) dye in acidic ethanol amine and tallow amine solutions. As a consequence of increasing the concentration of ethanol amine, the maximum...

Open access Research Article 10.9734/ACSJ/2015/17172

MHD Mixed Convection Flow Past a Vertical Porous Plate in a Porous Medium with Heat Source/Sink and Soret Effects

C. Kalyani, M. Chenna Krishna Reddy & N. Kishan · Chemical Science International Journal · 2015

The present analysis is to study the boundary layer flow of an incompressible, steady combined free-forced convection and mass transfer flow over a vertical porous plate embedded in a porous medium with the effects of heat source/sink, suction/injection and thermal diffusion unde...

Open access Research Article 10.9734/ACSJ/2015/16257

Phase Equilibria in the YbTe-PbTe-Bi2Te3 System

K. D. Rasulova, Z. S. Aliev, A. Y. Zavrajnov, S. Z. Imamalieva & M. B. Babanly · Chemical Science International Journal · 2015

The phase equilibria in the YbTe-PbTe-Bi2Te3 system were investigated by means of differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscope with energy dispersive analysis (SEM-EDS) techniques. Isothermal sections at 300 and 800 K, the liquidus...

Open access Research Article 10.9734/ACSJ/2015/16932

Discharge of Cr, Mn, Ni, Cu and Zn from E-waste Components into Dumpsites Soil at Westminster Market, Lagos Nigeria

Edwin Andrew Ofudje, Olubunmi Kolawole Akiode, Gabriel Opeoluwa Oladipo, Adebusayo Emmanuel Adedapo & Lateefah Olanike Adebayo · Chemical Science International Journal · 2015

The generation of electronic waste (e-waste) has increased due to the advancement in electrical and electronic industries. E-waste is term used to describe unwanted electronic products. E-waste contained toxic heavy metals such as barium, cadmium, chromium, copper, arsenic, zinc,...

Open access Research Article 10.9734/ACSJ/2015/16113

Physical-Chemical Parameters of Honey of Stingless Bee (Hymenoptera: Apidae)

Andreia Santos do Nascimento, Luis Carlos Marchini, Carlos Alfredo Lopes de Carvalho, Diogo Feliciano Dias Araújo, Ricardo Alves de Olinda & Talita Antonia da Silveira · Chemical Science International Journal · 2015

The objective of this study was to evaluate the physico-chemical quality of honeys samples of stingless bee (Meliponinae). Physico-chemical analyses were: moisture, color, pH, acidity, electrical conductivity, hydroxymethylfurfural, ashes, diastasic activity, reducing sugars, and...

Open access Research Article 10.9734/ACSJ/2015/17547

Application of Multi-criteria Decision Making Approach and Experimental Design and Development of Stability-indicating UPLC Method for Simultaneous Determination of Losartan Potassium and Hydrochlorothiazide in Bulk and Tablet Dosage Form

Hamed Hamed Abu Seada, Khalid Abdelsalam Attia, Mohammed Wafaa Nassar & Adel Mohammed Ahmed · Chemical Science International Journal · 2015

This paper describes a multi response optimization methodology in combination with experimental design as a powerful technique for development of a RP-UPLC method for the simultaneous determination of losartan potassium and hydrochlorothiazide in combined dosage forms. The respon...

Open access Research Article 10.9734/ACSJ/2015/16233

Application of HPTLC-densitometry by Derivatization and Stability Indicating LC for Simultaneous Determination of Mefloquine Hydrochloride and Artesunate in Combined Dosage form

S. M. Sandhya, P. S. Shiji Kumar & S. Meena · Chemical Science International Journal · 2015

This paper presents simultaneous quantification of mefloquine hydrochloride (MEFQ) and artesunate (ARTS) by HPTLC and RP-HPLC methods in combined tablet formulation. In RP-HPLC method, the drugs were resolved using a mobile phase of methanol-phosphate buffer (70:30, v/v) with pH...

Open access Research Article 10.9734/ACSJ/2015/16292

Characterization of Adsorption Capacity of Phenol Using Groundnut Husk-based Activated Carbon

W. O. Medjor, C. A. Wepuaka & Aisha Pariya Yahya · Chemical Science International Journal · 2015

Equilibrium adsorption studies of phenol onto activated carbon prepared from groundnut husk was investigated for effectiveness. Groundnut husks were washed, dried at temperatures between 110°C and 160ºC, pulverized and finally activated at 200°C for 3 hours. Optimum conditions of...

Open access Research Article 10.9734/ACSJ/2015/17305