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Chemical Science International Journal

Published by SCIENCEDOMAIN international · ISSN (electronic) 2456-706X

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1,056

Articles indexed

66

2026 articles

1,055

Open access

8,770

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Articles (1056)

Synthesis and Antibacterial Activity of N,N-Diethylamide Bearing Benzenesulfonamide Derivatives

Olayinka O. Ajani, Oluwole B. Familoni, Johnbull O. Echeme, Feipeng Wu & Zheng Sujiang · Chemical Science International Journal · 2013

Sulfonamides are known to represent a class of medicinally important compounds which are extensively used as antibacterial agents. Hence, a series of new N,N-diethyl amide bearing sulfonamides (2a-k) were synthesized via amidation of easily prepared benzenesulfonamide precursors...

Open access Research Article 10.9734/ACSJ/2013/2397

Yttria Nanoparticles Prepared from Salicylic Acid-Y(III) Nanocomposite as a New Precursor

Maryam Ranjbar, Soraya Mannan, Mohamad Yousefi & Anvar Shalmashi · Chemical Science International Journal · 2012

A novel method for the fabrication of high purity yttria, Y2O3, nano-particles is presented by thermal decomposition of salicylic acid-Y(III) nano composite as precursor. The nano composite was formed by a sonochemical method from the reaction between Y(III) nitrate hexahydrate,...

Open access Research Article 10.9734/ACSJ/2013/1618

Thermochemistry of Heteroatomic Compounds: Interdependence between of Some Thermochemical Parameters of the Different Classes Organic Nitro Compounds and a Number of Valence Electrons in their Molecules

Vitaly Ovchinnikov · Chemical Science International Journal · 2012

The linear equation ∆cHo = i + f (N - g), in which i and f are the factors of correlation, describing interdependence between then heat of combustion organic compounds and their number (N) valence electrons except for a number of lone electron pairs (g) heteroatoms in them, it ha...

Open access Research Article 10.9734/ACSJ/2013/2079

Modified Composite Activated Carbon Derived from Post-Consumer Plastics and Lignocellulosic Materials

Abdoul Ntieche Rahman, Loura Benguellah Benoît, Abdelaziz Bacaoui & Ketcha Joseph Mbadcam · Chemical Science International Journal · 2012

The composite activated carbons were produced using both lignocellulosic materials and urban waste plastics and their characteristics were investigated. The mixture of raw material was first carbonized at 600ºC in N2 atmosphere. The char obtained was then mixed with KOH (in the r...

Open access Research Article 10.9734/ACSJ/2013/2210

Corrosion Inhibition of Aluminium in Acidic Medium by Different Extracts of Ocimum gratissimum

I. J. Alinnor & P. M. Ejikeme · Chemical Science International Journal · 2012

Aims: This study is aimed at using plant extracts to prevent corrosion of aluminium in acidic medium. The inhibition efficiency of different extracts of 1M HCl, ethanol and distilled water were determined. Study Design: Gravimetric method was used for the analysis. Place and Dura...

Open access Research Article 10.9734/ACSJ/2012/1835

Preparation and Characterization of Activated Carbons Obtained from Maize Cobs by Zinc Chloride Activation

J. M. Ketcha, D. J. D. Dina, H. M. Ngomo & N. J. Ndi · Chemical Science International Journal · 2012

Aims: To set up high adsorbent materials at lower cost from agricultural wastes in this case maize cobs and to characterize these materials. Study Design: Determination of the textural and physicochemical properties of the prepared materials. Place and Duration of Study: Technolo...

Open access Research Article 10.9734/ACSJ/2012/1806

Determination of Angiotensin-Converting Enzyme Inhibitor, Perindopril Erbumine, in Bulk and Tablet Dosage Form with HPLC

Chatragadda Nagalakshmi, Avula Prameela Rani, Sunkara Bhawani & Chandra Bala Sekaran · Chemical Science International Journal · 2012

Aim: To develop and validate a simple HPLC method for the determination of perindopril erbumine (PDE) in bulk and tablets. Place and Duration of Study: Rainbow Pharma Lab, Hyderabad, India, between April and June 2012. Methodology: The separation of PDE was carried out on a Zorba...

Open access Research Article 10.9734/ACSJ/2012/2045

Modification in Properties of Fly Ash through Mechanical and Chemical Activation

Anita Sharma, Khushboo Srivastava, Vijay Devra & Ashu Rani · Chemical Science International Journal · 2012

This paper is a critical overview on chemical, structural, and morphological changes in fly ash properties with mechanical activation using high energy planetary ball mill and chemical activation by digesting with various mineral acids (HCl, HNO3, H2SO4 and HClO4) at 110ºC. Mecha...

Open access Research Article 10.9734/ACSJ/2012/2052

Synthesis and Characterization of Nano Structured Zinc(II) Cysteine Complex under Ultrasound Irradiation

Maryam Ranjbar, Nasrin Shahsavan & Mohammad Yousefi · Chemical Science International Journal · 2012

Cysteine and zinc oxides are important materials that have a wide range of applications especially in biomedical sciences. In this study, synthesis and characterization of nano structured Zn(II) complex of cysteine, (cysteine = 2-amino-3-mercaptopropanoic acid), in two different...

Open access Research Article 10.9734/ACSJ/2012/1617

Viscosity Reduction with Self-Assembly of Cationic Surfactant on Tetra-n-butyl Ammonium Bromide Semi-Clathrate Hydrate Aqueous Slurry

Shunsuke Hashimoto & Kazushi Kawamura · Chemical Science International Journal · 2012

Aims: To utilize hydrate slurry for phase change refrigerants, the rheological properties are essential. In the present study, the viscosity characteristics of hydrate slurry are investigated. Additionally, the effect of cationic surfactant on viscosity is also evaluated. Study D...

Open access Research Article 10.9734/ACSJ/2012/1616