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All published articles 999

Kinetics of Methylene Green and Ascorbic Acid Reaction in Aqueous 2-propanol at Different Temperatures

Zahida Khalid, Rehana Saeed, Fahim Uddin & Maria Ashfaq · Chemical Science International Journal · 2014

The kinetics of reaction of methylene green with ascorbic acid was carried out spectrophotometrically in mixed solvent system by using aqueous 2- propanol ratios as a solvent in the presence of hydrochloric acid. The pseudo-first order rate constants were proposed on the basis of...

Open access Research Article 10.9734/ACSJ/2014/7136

Electron Transfer Reaction of Pyridoxine (Vitamin B6) with Keggin Type 12 Tungstocobaltate (III) in Aqueous Perchlorate Medium

Sadhana Senapati, A. K. Patnaik, S. P. Das & P. Mohanty · Chemical Science International Journal · 2014

Transition metal substituted heteropolymetalates exhibit different chemical and electrochemical properties.  The complexes of transition metal ions with polyoxanions such as polytungstates are well known as outer-sphere electron transfer reagents. 12-tungstocobaltate (III) has th...

Open access Research Article 10.9734/ACSJ/2014/6880

The Reactions of Hydrochlorides of 2, 3-Tri (Tetra) Methylene-3, 4-Dihydropyrimidine-4-Ones with N-Bromosuccinimide and Bromine

N. I. Mukarramov, Kh. Z. Khakimova, A. O. Nasrullaev, Kh. U. Khodjaniyazov & Kh. M. Shakhidoyatov · Chemical Science International Journal · 2013

Aims: To carry out reactions between hydrochlorides of 2, 3-tri(tetra)methylene-3, 4-dihydropyrimidine-4-ones and N-bromosuccinimide (and/or bromine), to determine way of reactions. Study Design: Official design. Place and Duration of Study: Department of Organic Chemistry, Insti...

Open access Research Article 10.9734/ACSJ/2014/7060

Conformational Study of Hard-core Liquid Crystalline Schiff Bases Containing 1,3,4-Oxadiazole Ring

Juman A. Naser, Yousif I. Mohammed, Taki A. Himdan & Ammar H. Al-Dujaili · Chemical Science International Journal · 2013

The relaxed torsion potential of a hard-core Schiff bases of 1,3,4-oxadiazole liquid crystalline series has been studied by molecular modeling techniques. First, conformational search of the molecules was made at molecular mechanics MM+ in order to simplify calculations, so to fi...

Open access Research Article 10.9734/ACSJ/2014/6346

Assessment of Some Biochemical Parameters in Iraqi Pregnant Women with and Without Complications

Israa G. Zainal & Zaizafoon Nabil · Chemical Science International Journal · 2013

Aims: The purpose of this study was to evaluate and compare some biochemical parameters including [ceruloplasmin oxidase(CP), α – fetoprotein (AFP), interleukine-1 (IL-1), α2- macroglobulin (α2 – MG), α1 antitrypsin(α1 – AT)] and β-human gonadotropin(β -HCG)] in Iraqi women with...

Open access Research Article 10.9734/ACSJ/2014/5452

Effect of Cu2+ Concentration on Adsorption - Sorption Mechanisms, Modes, Critical Concentration Edge, and Spontaneity of Octahedral [Cu (H2O) 6]2+ on γ Alumina

Adel R. Ismaeel & Khaled M. Edpye · Chemical Science International Journal · 2013

Aims: To apply a fast, & save method for water treatments by using physical removal of toxic metal ions such as Cu2+ by adsorption at solid insoluble, non toxic, reusable adsorbent as γ Alumina. to indicate the effects of Cu2+ concentrations ranges on the adsorption modes, me...

Open access Research Article 10.9734/ACSJ/2014/5852

Some Concepts about Substance, Chemical Compound and an Element

B. T. Utelbayev, E. N. Suleimenov, A. Utelbayeva & N. Zhanabai · Chemical Science International Journal · 2013

Chemistry is the science that deals with the composition and properties of matter.   Properties of matter are generally grouped into two broad categories; these are physical and chemical properties. Physical property is the one that a sample of matter displays without changing it...

Open access Research Article 10.9734/ACSJ/2014/6732

Effect of Anions, Complexing and Salting - out Agents on the Extraction of Mo (VI) from Acid Media into Chloroform Solution of Bis (4-Acylpyrazolones)

I. A. Kalagbor & B. A. Uzoukwu · Chemical Science International Journal · 2013

The extraction of Mo (VI) was carried out in the presence of a synergist in the organic phase and also in the presence of the corresponding acids (HCl and H2SO4). The effect of the anions, Cl-, SO42- , Br- , I- , SCN-, PO43-, EDTA, Oxalate, acetate and tartarate on the extraction...

Open access Research Article 10.9734/ACSJ/2014/5588

Solution Based Cation-Exchange Process to Control Optoelectronic Properties of Cadmium Sulphide Thin Films

Uma Nerle & M. K. Rabinal · Chemical Science International Journal · 2013

The control of optoelectronic properties of cadmium sulphide films, by a simple solution based ion exchange process, is an important aspect for various applications. The effect of post doping of certain metal ions on chemical bath deposited cadmium sulphide thin films has been st...

Open access Research Article 10.9734/ACSJ/2014/6797

Chemical Fractionation of Copper, Manganese and Zinc in Dumpsite Soil Samples in Kaduna Metropolis, Nigeria

Ekwumemgbo Patricia Adamma, Omoniyi Kehinde Israel & Sanni Habib Adinoyi · Chemical Science International Journal · 2013

Aims: In this research, sequential chemical extractions were performed to fractionate copper, manganese and zinc in dumpsite soil samples into six geochemical fractions with varying mobility and bioavailability. Study Design: Determination of chemical forms of metals in soils and...

Open access Research Article 10.9734/ACSJ/2014/6001

Synthesis, Characterization, Spectral (FT-IR, 1H, 13C NMR, Mass and UV) and Biological Aspects of the Coordination Complexes of Sulfur Donor Ligands with Some Rare Earth Elements

R. V. Singh, Pradeep Mitharwal, Ritu Singh & S. P. Mital · Chemical Science International Journal · 2013

Bio-potent ligands, 2-hydroxy-N-phenylbenzamide hydrazinecarbothioamide(HPHTSCZH2) and 2-hydroxy-N-phenylbenzamide hydrazine carbodithioic benzyl ester (HPHCBESH2) have been synthesized by the condensation of 2-hydroxy-N-phenylbenzamide with hydrazinecarbothioamide and hydrazine...

Open access Research Article 10.9734/ACSJ/2014/6929

Bioglycerol Conversion in the Reverse Vortex Gas Flow Plasma-Liquid System (Tornado-Type) with Liquid Electrode and Addition of CO2

V. Ya. Chernyak, O. A. Nedybaliuk, O. V. Solomenko, E. V. Martysh, Iu. P. Veremii, I. I. Fedirchyk, T. E. Lisitchenko, L. V. Simonchik, V. I. Arhipenko, A. A. Kirilov, A. I. Liptuga, V. P. Demchina & S. M. Dragnev · Chemical Science International Journal · 2013

Bioglycerol (crude glycerine) usually consists of – 35-50% glycerine, 10-20% methanol and soap mixture and the initial vegetable oil esters. It is a by-product of the biodiesel production. However, the direct combustion of bioglycerol is dangerous, because this combustion has by-...

Open access Research Article 10.9734/ACSJ/2014/4352

Consequence Modeling of Chlorine Release from Water Treatment Plant

Naimeh Setareshenas, Mir Mohammad Khalilipour, Farhad Shahraki & Mohsen Mansouri · Chemical Science International Journal · 2013

In the recent years, world has seen a wide range of major accidents with a number of fatalities, economic losses, and damage to the environment. These accidents can lead to serious danger to human health and the environment which can be occurred inside or outside the establishmen...

Open access Research Article 10.9734/ACSJ/2014/5961

Effects of Aqueous Extract of Ocimum gratissimum on Some Haematological Parameters of Albino Rats

O. A. Ojo, O. I. Oloyede, B. O. Ajiboye & O. I. Olarewaju · Chemical Science International Journal · 2013

Aims: To evaluate the effects of aqueous extracts of Ocimum gratissimum leaves on the haematological responses of albino rats. Study Design: Packed cell volume, hemoglobin level, white blood cells and differential cell counts such as neutrophils, lymphocytes, monocytes and eosino...

Open access Research Article 10.9734/ACSJ/2014/5046

Synthesis of Petroleum Polymer Resin by Catalytic Polymerization of Pyrocondensate and Its Fractions

H. J. Ibragimov, K. M. Gasimova, Z. M. Ibragimova & G. F. Gasimova · Chemical Science International Journal · 2013

Aims: The main aim of the present paper is the application of bimetallic complexes synthesized based on aluminium, 1.2-dichloroethane and transition metals in the refining of pyrocondensate. Place and Duration of Study: Institute of Petrochemical Processes, Azerbaijan National Ac...

Open access Research Article 10.9734/ACSJ/2014/6320