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Synthesis and Characterization of Oil-Modified Alkyd Resin from Epoxidized Neem Oil

I. R. Jack, A. U. Anya & O. F. Osagie · Chemical Science International Journal · 2016

The aim and objective of this work is to synthesize a greener alkyd resin by substituting petroleum based epoxides in alkyd resin modification. Chemical transformation of the existing functional group present in neem oil via epoxidation, epoxy functionality was inserted and used...

Open access Research Article 10.9734/ACSJ/2016/26431

An Investigation into the Effect of Some Selected pH Control Chemicals {Ca(OH)2, NaHCO3 and CaCO3} on Batch Digestion of Organic Fraction of Municipal Solid Waste: A Case Study of Jimeta Metropolis

Ojo Samuel, Baba Mohammed & Aaron K. Bakut · Chemical Science International Journal · 2016

The large organic matter of solid waste such as agricultural and municipal solid waste offer great potential for biogas production. This work has been carried out to investigate the effect of some selected pH control chemicals on anaerobic digestion process which is expected to i...

Open access Research Article 10.9734/ACSJ/2016/21586

Synthesis of Alumina Fibre by Annealing Method Using Coir Fibre

Alveera Khan, Mohammad Ayaz Ahmad, Shirish Joshi & Vyacheslav Lyashenko · Chemical Science International Journal · 2016

The present study reports the synthesis of coir fibre treated with alumina salt by using of the annealing method. In this study chemical treatment of coir fibre has been done using a nitro compounds at higher temperature. The composite formed after the chemical treatment and has...

Open access Research Article 10.9734/ACSJ/2016/25648

Adsorption of Toxic Methyl Violet 2B Dye from Aqueous Solution Using Artocarpus heterophyllus (Jackfruit) Seed as an Adsorbent

Muhammad Khairud Dahri, Muhammad Raziq Rahimi Kooh & Linda B. L. Lim · Chemical Science International Journal · 2016

The potential of Artocarpus heterophyllus (jackfruit) seed (JS) as an adsorbent to remove methyl violet 2B (MV) dye was investigated using batch experiment method. Surface morphology and functional groups of JS were analyzed in order to characterize the adsorbent. The adsorption...

Open access Research Article 10.9734/ACSJ/2016/27127

Study of Ionic Interactions in Solution and Influence of Alkyl Chain Cation – Solvent on Water Structure in Ethanol – Water Mixture by Magnetic Float Densitometer

Indu Saxena, Rikkam Devi, Vijay Kumar & Sadhana Gautam · Chemical Science International Journal · 2016

The densities of the binary solvent mixtures and its salt solutions have been measured by one of the recently modified techniques, namely Magnetic Float Densitometer. The partial molar volume or apparent molar volume ϕv and at infinite dilution are determined by ϕv0 values of sol...

Open access Research Article 10.9734/ACSJ/2016/26167

Effect of 3 wt% Al Content and Rapid Solidification on the Erosion-corrosion Behavior of 92 wt% Cu and 5 wt% Ni Alloy in Seawater

A. S. Abdulghani, A. M. Badiea & B. G. Mohammed · Chemical Science International Journal · 2016

A 92 wt% Cu and 5wt% Ni alloy containing 3 wt% Al is subjected to a rapid solidification processing (RSP) using a rotating copper wheel (7.95 cm φ x 5.95 cm w) at 1420 r.p.m, which produces a thin specimen of 2 mm thickness. The specimens with dimensions of 10.8×15.02 mm2 are the...

Open access Research Article 10.9734/ACSJ/2016/25868

Equilibrium and Kinetic Studies of the Adsorption of Pb2+ and Ni2+ Ions from Aqueous Solution by the Use of Activated Locust Bean Husk (LBH)

Nathaniel Oladunni, Idongesit B. Anweting & Elijah I. Agbele · Chemical Science International Journal · 2016

The removal of Lead and Nickel ions from aqueous solution by adsorption onto activated locust bean husk was investigated in a well stirred batch reactor. Equilibrium and kinetic experiments were performed at various pH, temperature and contact time. The metal removal approached e...

Open access Research Article 10.9734/ACSJ/2016/22724

Synthesis and Biological Activity of Novel 5-(Alkylthio)-1,3,4-thiadiazol-2(3H)-thione Derivatives

Elen N. Hambardzumyan, Asya S. Vorskanyan, Ani A. Grigoryan & Aleksandr P. Yengoyan · Chemical Science International Journal · 2016

Some nonfused biheterocyclic system derivatives containing a combination of 1,3,4-thiadiazole and pharmacophores such as 1,3,4-oxadiazole and/or pyrazoles in the same molecule were obtained based on 2-((5-(alkylthio)-1,3,4-thiadiazol-2-yl)thio)acetohydrazide. The synthesized comp...

Open access Research Article 10.9734/ACSJ/2016/26657

Spectroscopic Elucidation of the Biodeterioration Potentials of Aspergillus niger on Lagenaria siceraria Seed Oil

Peter Michael Dass, Dimas Kubmarawa, Ayodele Akinterinwa & Buba Mohammed · Chemical Science International Journal · 2016

Vegetable oil was extracted from Lagenaria siceraria seeds and some physico-chemical analysis determined. The refractive index of 1.47, saponification value of 465.9 mgKOH/g, iodine value of 15.86 I2 /100 g, Acid value mgKOH/g of 2.52 and density of 0.93 were obtained. GC-MS of b...

Open access Research Article 10.9734/ACSJ/2016/25510

Source and Distribution of Mercury in Sediments of the Brazilian Amazon Continental Shelf with Influence from Fluvial Discharges

Gilmar W. Siqueira, Fabio Aprile, Georg Irion, Bruce G. Marshall & Elisabete S. Braga · Chemical Science International Journal · 2016

Place and Aims: Total concentrations of Hg and geochemical analysis of sediments from the Amazon Continental Shelf (47º52'W-4º19'N, 51º04'W-2º16'S) were determined in 25 sampling sites, during the months of lowest flow of the Amazon River. The aim of this study was to determine t...

Open access Research Article 10.9734/ACSJ/2016/26625

The Solid Phase Extraction of Some Heavy Metal Ions Using Dodecylamine Pillared Mg-Al Layered Double Hydroxides

Rasheed M. A. Q. Jamhour · Chemical Science International Journal · 2016

Rasheed M. A. Q. Jamhour1* Pillared host-guest material or layered double hydroxides (LDHs) of the type Mg-Al-CO3 with dodecylamine (DA) has been synthesized. The sorption capacities have been investigated for the removal of some heavy metal ions Ni(II), Cd(II), Co(II), Cu(II), P...

Open access Research Article 10.9734/ACSJ/2016/25977

Improving the Slow Release System Using Chitosan-Alginate Nanoparticles with Various Methods for Curcumin

Ageng Trisna Surya Pradana Putra, Dwi Siswanta & Adhitasari Suratman · Chemical Science International Journal · 2016

Biodegradable polymeric materials have been used as a drug delivery system due to its encapsulation, release system and less toxic properties. Chitosan-alginate nanoparticles were prepared by ionotropic pre-gelation of alginate core, followed by polyelectrolyte complexation of ch...

Open access Research Article 10.9734/ACSJ/2016/25989

Effects of Activation and Modification on the Microstructure and Composition of Fly Ash

Mande Qiu, Yidan Wang, Miao Niu, Qingjiao Han & Miao Zhang · Chemical Science International Journal · 2016

The fly ash was activated and modified respectively by acid and alkali- soluble method, BET, XRD, SEM and EDS were used to investigate the specific surface area, phase, surface microstructure and the major elements of the original coal fly ash and the modified sample. The results...

Open access Research Article 10.9734/ACSJ/2016/26348

Laboratory Preparation of the Precursor for Synthesis of Gold Nanoparticles

O. D. Ogundare, M. O. Adeoye & A. R. Adetunji · Chemical Science International Journal · 2016

The synthesis of gold nanoparticles was investigated via the laboratory preparation of the precursor from the precipitated gold using sodium cyanide (NaCN) and cyanide solution from cassava. Characterization studies are carried out using TEM and XRD. The synthesis of gold nanopar...

Open access Research Article 10.9734/ACSJ/2016/25749

Two Step and Regression Re-aging Heat Treatment of Al-5.2%Zn-2.3%Mg Alloy Applied in Cigarette Making Machines

Hao Wang, Jianbo Zhan, Zhenhua Yu, Jiang Yu, Yafeng Ji, Tao Wang, Yao Yu, Muyan Li, Danfeng He, Hongkui Zhang, Rongrong Fu, Na Zan, Wei Ding, Liang Cheng, Baoshan Yue, Han Zheng, Zhiqiang Li & Li Gao · Chemical Science International Journal · 2016

Deformation scheme and pre-heat treatment of Al-5.2%Zn-2.3%Mg aluminum alloy is chosen, homogenizing annealing at 415℃ for 1h, cooling to 200℃ in furnace at a cooling rate of less than 30℃/ h and then cooling to room temperature to make Al-5.2%Zn-2.3%Mg aluminum alloy annealed fu...

Open access Research Article 10.9734/ACSJ/2016/26486