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All published articles 1056

Heavy Metals Contamination and their Potential Toxicity in Petroleum Sludge Impacted Soils from Itsekiri Communities, Delta State, Nigeria

Useh Mercy Uwem & Dauda Mary Sunday · Chemical Science International Journal · 2018

The concentrations of some heavy metals (Chromium, Cadmium, Lead, Nickel, Copper, Cobalt, Manganese, Iron and Zinc) in petroleum sludge impacted soils were determined to evaluate their contamination levels using atomic absorption spectrophotometer.  The petroleum sludge samples w...

Open access Research Article 10.9734/CSJI/2018/42973

Errors in Parameters Estimation Using Linearized Adsorption Isotherms: Sulfadimethoxine Adsorption onto Kaolinite Clay

Victor O. Shikuku, Chrispin O. Kowenje & Fredrick O. Kengara · Chemical Science International Journal · 2018

In this work, an isothermal investigation of the adsorption of sulfadimethoxine from aqueous solution onto clay mineral (kaolinite) using batch equilibration method is reported. The equilibrium data were modelled using five linear forms of Langmuir equation, linear Freundlich and...

Open access Research Article 10.9734/CSJI/2018/44087

Chemical Evaluation of Petroleum Sludge Impacted Soils from Itsekiri Communities around Warri Refinery, Delta State, Nigeria

Useh Mercy Uwem & Dauda Mary Sunday · Chemical Science International Journal · 2018

Effluents from petrochemical operations are generally considered to be harmful to the environment particularly due to their accumulated levels of petroleum hydrocarbons which distort the properties of the habitat immediate to such facilities. This study was undertaken to compare...

Open access Research Article 10.9734/CSJI/2018/42965

Comparative Phytochemical, Antinutrient and Trace Metal Composition of the Leaf, Flower and Seed of Moringa oleifera L. Grown in Southern Nigeria

Kokoette Raymond, Emmanuel Dan & Uwemedimo Udo · Chemical Science International Journal · 2018

Secondary metabolites, proximate, anti-nutrients, mineral and trace metals distribution in three parts (leaf, flower and seed) of Moringa oleifera L. grown locally in Akwa Ibom State, Southern Nigeria were investigated and compared using standard analytical procedures. The three...

Open access Research Article 10.9734/CSJI/2018/43004

Tautomeric Equilibria of Substituted 2-Pyridone/2-Hydroxypyridine in the Gas and Aqueous Phases

Aamer A. Alhatem · Chemical Science International Journal · 2018

Heats of formation, entropies and Gibbs free energies for the twenty structures of substituted 2-pyridone and 2-hydroxypyridine were studied using semiempirical Austin Model (AM1) and Parametric Method 3 (PM3) calculations at the self-consistent field level, both in the gas and l...

Open access Research Article 10.9734/CSJI/2018/42946

In Vitro Evaluation of Antioxidant and Anti-inflammatory Properties of Methanol and Dichloromethane Extracts of the Leaf of Globimetula oreophila

Esther O. Faboro, Idowu J. Olawuni, Bolajoko A. Akinpelu, Oluokun O. Oyedapo, Ezekiel O. Iwalewa & Craig A. Obafemi · Chemical Science International Journal · 2018

Aims: The study was designed to investigate the antioxidant and membrane stabilizing potentials of the leaf of Globimetula oreophila, with a view to providing scientific support for the acclaimed ethnomedicinal or traditional uses of the plant. Methodology: The study involved col...

Open access Research Article 10.9734/CSJI/2018/42051

A Review in Graphene/Polymer Composites

Bhavana M. Itapu & Ahalapatiya H. Jayatissa · Chemical Science International Journal · 2018

This review article reports recent advances in graphene/polymer-based composites. Graphene is a potential nanofiller that can dramatically improve the properties of polymer-based composites at very low loading. Various new techniques such as solution processing, in-situ polymeriz...

Open access Research Article 10.9734/CSJI/2018/41031

Synthesis and Investigation of Magnesium Stearate with Coordinated Compounds with Acetamide and Nicotineamide

Dilshod Sottorjonovich Kholmatov · Chemical Science International Journal · 2018

Homogenous coordination compounds of magnesium stearate with acetamide and nicotinamide were synthesized. Composition, individuality, methods of acetamide, nicotinamide molecules and stearate fragments coordination of coordinated compounds were established. In addition, thermal b...

Open access Research Article 10.9734/CSJI/2018/42580

Halloysite Nanoclay Polymer Composite: Synthesis, Characterization and Effect on Water Retention Behaviour of Soil

Priyal Pandey, Giriraj . & Nirmal De · Chemical Science International Journal · 2018

Going with the theme of more crops per drop, halloysite nanotube polymer composites superabsorbent is synthesized for promotion of rain fed agriculture. The synthesized composites were characterized by Fourier transformation infrared spectroscopy (FTIR), X-ray diffraction (XRD) a...

Open access Research Article 10.9734/CSJI/2018/42613

Corrosion Inhibition and Adsorption Characteristics of Myrianthus arboreus Leaves Extract on Copper in Sulphuric Acid Solution

G. I. Udom, G. A. Cookey & A. A. Abia · Chemical Science International Journal · 2018

The inhibiting action of Myrianthus arboreus leaves extract on the corrosion of copper in sulphuric acid solution was assessed using weight loss method at various temperatures. It was observed that the extract inhibited the acid-induced corrosion of copper and the corrosion rate...

Open access Research Article 10.9734/CSJI/2018/41304

Evaluation of Synergistic Effect of Different Compositions of Liquid Extract of Citrus limonium and Its Linkage with β-cyclodextrin for the One-pot Multicomponent Synthesis of Pharmacological Bioactive Compounds with Application of Exploratory Analysis

Deepali Agarwal, Jyotsna Dhanik, Ankita Verma & Virendra Kumar Kasana · Chemical Science International Journal · 2018

The ability of liquid extract of Citrus limonium and Citrus limonium-β-cyclodextrin composite to promote multicomponent reactions of pharmacologically bioactive compounds from a diversity of aromatic aldehydes has been described. Development of Citrus limonium-β-cyclodextrin comp...

Open access Research Article 10.9734/CSJI/2018/42134

Bentonite Nanoclay Assisted Hydrophilic Nylon Fabrics

Sujani B. Y. Abeywardena, Srimala Perera, K. M. Nalin de Silva, S. Walpalage & M. C. W. Somaratne · Chemical Science International Journal · 2018

Aim: Biomimetic surface modifications have gained significant attention in fabric innovations. In this study, elephant mud bathing was mimicked to create a superior hydrophilic nylon fabric. Place and Duration of Study: Sri Lanka Institute of Nanotechnology and The University of...

Open access Research Article 10.9734/CSJI/2018/41670

Effect of Turbidity and Contact Time on the Rate of Biosorption of Ni2+, Pb2+, Cr3+ and Cu2+ from Wastewater Using Moringa oleifera

Chavaregi Geoffrey, J. L. Kituyi & S. Lutta · Chemical Science International Journal · 2018

Heavy metals in water have been a major preoccupation for researchers for many years due to their toxicity towards aquatic life, human beings and the environment. As they do not degrade biologically like organic pollutants, their presence in industrial effluents and drinking water...

Open access Research Article 10.9734/CSJI/2018/39672

Validation of UV - VIS Spectrophotometry for Phosphorous Molybdenum Determination in Soils of Vietnam

Khuyen Thi Kim Vo, Lan Thi Thuy Bui, Gregory Elayeche Oko, Emmanuel Paul Okoi & Sowale Omowumi Ayomide · Chemical Science International Journal · 2018

Phosphorus existing under different forms and status in soils is a significantly important nutrient during the growth and development of trees. Spectrophotometry has been developed with many types of reagents to determine phosphorus in environmental samples. Molybdenum blue react...

Open access Research Article 10.9734/CSJI/2018/42128

Background Correction Method for Determination of Ascorbic Acid in Baobab Fruit Pulp Using Direct UV Spectrophotometry

Ibrahim Yaagoub Erwa, Mahgoub Ibrahim Shinger & Omer Adam Omer Ishag · Chemical Science International Journal · 2018

Herein a background correction method has been utilized for the estimation of ascorbic acid in baobab (Adansonia digitata L.) fruit pulp using direct UV spectrophotometry. The background correction based on catalytic oxidation of the acid by copper (II). EDTA was used to correct...

Open access Research Article 10.9734/CSJI/2018/41080