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Isoconversional and Model-fitting Approaches to Kinetic and Thermoanalytic Study of Lanthanum Oxalate: Nonlinear Relationship between Kinetic Parameters

Himansulal Nayak · Asian Journal of Chemical Sciences · 2023

The data for the nonisothermal and isothermal thermal decompositions of lanthanum oxalate have been analysed using the model-free and model-fitting kinetic techniques. When applied to nonisothermal data using the Coat-Redfern(CR) equation, the widely used model-fitting approach t...

Open access Research Article 10.9734/ajocs/2023/v13i2235

Mathematical Model Desublimation Conditions

M. A. Jafarov, V. O. Yevdokymenko, D. S. Kamenskyh, K. A. Rustamov & Z. A. Jafarov · Asian Journal of Chemical Sciences · 2023

The developed and software-implemented simplified three-dimensional mathematical model of the unsteady-state process of HFS desublimation is described. The study of regularities in the HFS desublimation process is performed by numerical modeling.

Open access Research Article 10.9734/ajocs/2023/v13i2234

Production and Kinetic Study of Biogas Formation from Cow Dung and Utilization of Biogas Effluent as Bio-Fertilizer

Siddhartha Sankar Saha & Md. Ibrahim H. Mondal · Asian Journal of Chemical Sciences · 2023

Biogas is an alternative and eco-friendly renewable power source and biogas effluent is used as a bio-fertilizer. In this research, the kinetic of biogas formation was studied and also the acceptance of biogas effluent as a bio-fertilizer was evaluated. 8000 g of cow dung and 600...

Open access Research Article 10.9734/ajocs/2023/v13i1233

Effect of Different Types of Chemicals, Cooking Time and Chemical Concentration on the Quality of Sludge and Pulp Appearance

Jane Adamma Chukwudebelu & Jonah Agunwamba · Asian Journal of Chemical Sciences · 2023

Pulp and paper production process releases different types of wastes into the environment and pulp mill sludge is one of the major wastes from pulp and paper mill. The environmental awareness has led to more attention being given to the process of paper production and the raw mat...

Open access Research Article 10.9734/ajocs/2023/v13i1232

Comparative Phytochemical Analysis of Bambara Groundnut (Vigna subterranea) and others Vigna spp. with Respect to its Nutritional, Antinutritional and Antioxidant Properties

A. Mohd Zulkhairi, I. Nor Asiah, M. Razali, K. Maya Izar, M. S. Muhammad Shafie, A. Fazlyzan, A. Aimi Athirah, M. N. Siti Aisyah, M. Y. Saidatul Aqilah, M. S. Nurul Sofea & M. F. Nurul Nuha · Asian Journal of Chemical Sciences · 2023

Aims: Bambara groundnut is considered as underutilize and commercially forgotten legume in Malaysia. Few studies abroad showed interesting potential on its phytochemical and nutritional contents. This study was carried out to investigate and compare the nutritional, antinutrition...

Open access Research Article 10.9734/ajocs/2023/v13i1231

CdO Nanostructures: Synthesis, Characterization, and Photocatalytic Degradation of Malachite Green Dye in Aqueous Media

El-Hadary A. El-Hadary, Hesham H. El-Feky, Amjad El-Qanni, Ibrahim M. Nassar & Mostafa Y. Nassar · Asian Journal of Chemical Sciences · 2023

Cadmium oxide (CdO) nanoparticles were prepared by using co-precipitation method and applied on photodegradation of malachite green (MG) dye in an aqueous solution. The as-prepared CdO nanoparticles were characterized by X-ray diffraction (XRD), field emission scanning electron m...

Open access Research Article 10.9734/ajocs/2023/v13i1230

Molecular Dynamics Simulation of the Electrochemical Cell Design for All- vanadium Redox Flow Battery

Anant Babu Marahatta · Asian Journal of Chemical Sciences · 2023

Being the most potential battery candidate for the electrical grids connections due to having promising electrochemical energy storing abilities, vanadium redox flow battery (VRFB) is widely recognized state-of-the-art technology in renewable energy sectors. Despite its uniquenes...

Open access Research Article 10.9734/ajocs/2023/v13i1229

Isolation, Characterization and Anti-Pepsin (HIV-Protease) Activity of Vernonia amygdalina Del and Cymbopogon citratus (de Condole) Stapf

Saidu Garba & Okubanjo, O. Olubukola · Asian Journal of Chemical Sciences · 2022

The anti-pepsin enzyme (HIV-1) activities of crude extract of Vernonia amygdalina and Cymbopogon citratus were investigated using standard methods. A portion (0.5cm3) of pepsin enzyme solution was measured and transferred into viels, 2 cm3 of hemoglobin and 1 cm3 of the extracts...

Open access Research Article 10.9734/ajocs/2022/v12i4226

The Effect of Physical and Electrical Properties on the Synthesis of Manganese Oxide Carbon from Leaching Rocks as Supercapacitor Electrodes

Asri Saleh · Asian Journal of Chemical Sciences · 2022

Manganese rocks are classified into manganese oxide, silicate, and carbonate. The research was carried out to synthesize carbon manganese oxide from the leaching of manganese rock and how to influence the physical and electrical properties of carbon manganese oxide from the leach...

Open access Research Article 10.9734/ajocs/2022/v12i4227

Metal-Salen Complexes: Structural Characterization and Antibacterial Activity

Ummay Salma, Md. Sohel Rana, Jannatul Ferdous, Md. Faruk Hossen, Md. Kudrat-E-Zahan, Rausan Zamir & Md. Ali Asraf · Asian Journal of Chemical Sciences · 2022

The ligand, N,N'-bis(salicylidine)ethylenediamine or salen (L), and its complexes 1-3 with Ni(II), Cu(II) and Mn(II) were synthesized. Various analytical methods such as microanalysis, 1H-NMR, 13C-NMR, ESI-MS and FT-IR spectroscopy has been used to characterize the synthesized co...

Open access Research Article 10.9734/ajocs/2022/v12i4228

Application of UV-Visible Spectroscopy in Kinetic Study of Molybdate Complexation Reactions and Phosphate Content Quantitation

Josphat Kipkoech & John Onyango Adongo · Asian Journal of Chemical Sciences · 2022

UV-visible spectroscopic measurements were used to characterize the formation of two ammonium-molybdate complexes, to elucidate its kinetics, and to carry out spectrophotometric quantitation of percent phosphate content in selected commercially available fertilizers. The kinetic...

Open access Research Article 10.9734/ajocs/2022/v12i4225

Study of the Photodegradation Kinetics of Fluometuron by UV Absorption Spectrophotometry and Fluorescence

Diégane Sarr, Diène Diégane Thiaré, Pape Abdoulaye Diaw, Khémesse Kital, Adama Saba, Cheikh Sall, Atanasse Coly, François Delattre & Alphonse Tine · Asian Journal of Chemical Sciences · 2022

In order to predict the fate of fluometuron in the aquatic environment and to assess the risk that it may pose, we studied its photolysis reaction in aqueous media. This reaction was monitored by UV absorption and fluorescence spectroscopy. UV irradiation source consisting of a 2...

Open access Research Article 10.9734/ajocs/2022/v12i3223

Comparative Phytochemical, Proximate and In vitro Antihyperglycemic Analyses of the Stem Bark Extracts of Kigelia africana (Lam.) Benth and Annona senegalensis Pers

C. E. Anarado, O. F. Obumselu, N. U. Ejimofor, N. P. Okafor, C. L. Igwe, J. C. Udekute, C. E. Igwe & C. B. Nsofor · Asian Journal of Chemical Sciences · 2022

The present research aimed to investigate the phytochemical bioactive constituents and proximate composition of the methanol extract of Kigelia africana and Annona senegalensis stem bark, as well as its in vitro antidiabetic potential. The results suggest that the presence of bio...

Open access Research Article 10.9734/ajocs/2022/v12i3222