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Analysis of Heavy Metals in Soil and Maize Grown around Namungo Gold Mine in Ruangwa District, Lindi Region in Tanzania Using X-ray Fluorescence

Yusuf I. Koleleni & Shaban A. Mbike · Chemical Science International Journal · 2018

Soils and food crops were collected from three sample villages of Chibula, Chingumbwa and Ligunje which are located nearby the Namungo gold mine. The samples of both maize and soil were prepared and analysed using Energy Dispersive X-rays Fluorescence (EDXRF) with the objective o...

Open access Research Article 10.9734/CSJI/2018/44976

Analysis of Pure and Ag-Doped TiO2 Thin Films Deposited by Field Assisted Spray Pyrolysis

Arishi, Jennifer Ifeoma & Ozuomba, Jude · Chemical Science International Journal · 2018

This paper reports the structural and optical properties of Undoped TiO2 and 5% Ag-doped TiO2 nanoparticles under visible- light irradiation. These films were synthesised using Electrohydrodynamic Spray Pyrolysis Technique, deposited at 250°C and later annealed at 400°C few minut...

Open access Research Article 10.9734/CSJI/2018/43904

Matter Transfer in Liquid-solid Extraction of Democratic Republic of Congo Gourd Seeds Oils by “Kunyima Method”

A. B. Kunyima, H. M. Kaseya, S. N. Lusamba & P. K. Kunyima · Chemical Science International Journal · 2018

Background: The Democratic Republic of Congo has a very rich and diversified vegetable patrimony with known therapeutic properties needing only appropriate technology to deal with the extraction process of oils or active principles. This vegetable patrimony is capable to cure inc...

Open access Research Article 10.9734/CSJI/2018/44918

Enriched Superphosphate Based on Decomposition of Ordinary Phosphorite Powder with Phosphoric Acid Gypsum Slurry

А. А. Rasulov, О. А. Badalova, U. K. Аlimov, Sh. S. Namazov, А. R. Seytnazarov & B. E. Sultonov · Chemical Science International Journal · 2018

Complex, nitrogen-phosphate fertilisers are applied before seeding, with seeding and extra nutrition, while single phosphoric ones are the most effective under autumn ploughing. In that case, enriched superphosphate, more concentrated than single superphosphate, was obtained usin...

Open access Research Article 10.9734/CSJI/2018/44167

The Effect of Oxidation of Humic Acids on the Adsorption of Cd (II), Cu (II), Pb (II) and Zn (II) by a Humate-containing Hybrid Adsorbent

Boris S. Smolyakov & Alexey K. Sagidullin · Chemical Science International Journal · 2018

Humic acids of natural origin were oxidised with hydrogen peroxide and Fenton’s reagent to produce hybrid adsorbents based on mesoporous carbon. The characteristics of the modified humic acids and hybrid adsorbents were studied. Oxidation of humic acids provides an increase in ad...

Open access Research Article 10.9734/CSJI/2018/45042

Extraction of Chromium(III) and Manganese(II) with N, NI-ethylenebis(salicylimine)(H2EBSI) in Acid Medium: Determination of Stability Constant and Thermodynamic Parameters of the Extracted Species

F. S. Nworie, F. I. Nwabue & J. John · Chemical Science International Journal · 2018

In this study, the solvent extraction of chromium(III) and manganese(II) with N, N1- ethylenebis(salicylimine) were carried out from different concentrations of various mineral acids (HCl, HNO3, H2SO4, and HClO4). In the range of analytical concentrations of the acids studied (0....

Open access Research Article 10.9734/CSJI/2018/18121

The Nature and Extent of Salt-affected Agricultural Soils in Ho – Keta Plain in the Volta Region of Ghana

L. Sackey, A. Sadick, F. M. Tetteh & E. O. Bennoah · Chemical Science International Journal · 2018

One of the major environmental issues that have severe adverse effect on sustainable agriculture productivity is soil salinization. A research was conducted at Ho-Keta plain in the Volta Region of Ghana to assess the extent of degradation of salt-affected agricultural soils. Two...

Open access Research Article 10.9734/CSJI/2018/30579

Organic-mineral Fertilizer Based on Chicken Manure and Phosphorite from Central Kyzylkum

U. Sh. Temirov, S. Sh. Namazov, N. H. Usanbaev, B. E. Sultonov & A. M. Reymov · Chemical Science International Journal · 2018

Background: Kyzylkum phosphorite combine wastes in form of off-balanced ore (13-15% Р2О5) and phosphorite sludge (10-12% Р2О5) generated during the benefication of high calcareous Central Kyzylkum phosphorite in recent years. Total volume of produced phosphorite has already reach...

Open access Research Article 10.9734/CSJI/2018/43452

Cooking Qualities of Thin Layered Humidified Paddy

K. Ch. S. Saikiran & N. Venkatachalapathy · Chemical Science International Journal · 2018

A thin layer dryer was modified by replacing the heating section of the dryer was replaced with humidification chamber. The equipment consists of a blower which sucks ambient air, which was passed through heater coils. There was a nozzle located after the heating unit, which spra...

Open access Research Article 10.9734/CSJI/2018/42414

Therapeutic Effects of Propolis: Review Article

Rezzan Aliyazicioglu & Seyda Kanbolat · Chemical Science International Journal · 2018

The term apitherapy refers to the medical use of bee products, including honey, propolis, royal jelly, pollen, beeswax and, most notably, bee venom. For example, propolis is known to exhibit antiviral, immunomodulatory, anti-inflammatory and anticancer effects. Growing importance...

Open access Research Article 10.9734/CSJI/2018/44457

Spatial Occurrence and Fate Assessment of Potential Emerging Contaminants in the Flowing Surface Waters

Miraji Hossein, Othman Chande, Ngassapa Faustin & Mureithi Erwin · Chemical Science International Journal · 2018

The current study investigated the occurrence of emerging contaminants (ECs) at the Msimbazi and Kizinga Rivers in Tanzania by using GC/MS QP2010 Ultra Shimadzu. The cross-country distribution along East Africa countries and the fate of ECs were studied for extrapolation and insi...

Open access Research Article 10.9734/CSJI/2018/44211

Thermal, Spectroscopic and Antimicrobial Properties of Novel Nickel(II) Complexes with Sulfanilamide and Sulfamerazine Drugs

G. Prajapat, R. Gupta & N. Bhojak · Chemical Science International Journal · 2018

Synthesis and characterisation of metal-based Sulfa drugs have gained much attention in the past few decades, owing to their enhanced therapeutic applications. The present work aims to synthesise novel complexes of Nickel(II) with Sulfanilamide and Sulfamerazine, to prepare new m...

Open access Research Article 10.9734/CSJI/2018/44158

Adsorption of 2,4-dinitrophenol on Activated Carbon Prepared from Cotton Cakes: Non-linear Isotherm Modeling

Bopda Aurelien, Tchuifon Tchuifon Donald Raoul, Nche George Ndifor-Angwafor, Kamdem Tamo Arnaud & Anagho Solomon Gabche · Chemical Science International Journal · 2018

In this research, cotton cake has been investigated as a cheap and available precursor used for the production of novel carbon using phosphoric acid and potassium hydroxide as chemical activating agents with 2:1; 1:1, impregnation ratio at various concentrations of 0.5M; 1M; 1.5M...

Open access Research Article 10.9734/CSJI/2018/43499

Сomposition and Rheological Properties of Decomposition Products of Low Grade Phosphorite with Phosphoric Acid

Umarbek Alimov, Shafoat Namazov & Akhmed Reymov · Chemical Science International Journal · 2018

The investigations’ results of composition and rheological properties (density and viscosity) of reaction mass – calcium-phosphate and acid monobasic calcium phosphate’s slurries which were obtained at temperature 30-100°С have been given in this study. Chemical composition of ca...

Open access Research Article 10.9734/CSJI/2018/25653

Oxidation of Catechol and Hydroquinone in Aqueous Media by Heterogeneous Photocatalysis Using Thin Layer of TiO2 P25

Dègninou Houndedjihou, Tomkouani Kodom, A. Akpénè Dougna, Ibrahim Tchakala, Gbandi Djaneye-Boundjou & Limam Moctar Bawa · Chemical Science International Journal · 2018

Catechol and hydroquinone, two phenolic compounds, have been studied. The oxidation of the two chemicals by heterogeneous photocatalysis TiO2 P25 Degussa based was investigated using a laboratory scale reactor and ultraviolet-A lamp. Thin layers of TiO2 on stainless steel were pr...

Open access Research Article 10.9734/CSJI/2018/44176