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1805 articles for “technique”
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Assessment of Knowledge and Participation on Households Solid Domestic Waste Management in Some Selected Communities in Bo Southern Sierra Leone
Abstract: A well-managed, effective waste management program increases the health and environmental quality of the country. Therefore, the overall aim of this study was to investigate the knowledge and participation of household solid domestic waste management in some selected communities in Bo city Southern Sierra Leone. The study's objectives were: to determine the different methods of solid wastedisposal, to determine existing household solid waste management practices, to determine the risk factors …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 8–17 Read article
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Preparation and Characterisation of the Schiff’s Base Complex [Pt(dpq)Cl2]
Abstract: Preparation of platinum complex [Pt(dpq)Cl2] and characterization of the complex by IR, UV, CHN and NMR techniques. DPQ ligand is obtained by 1,10 phenanthroline made react with NaBr, nitrating mixture followed by ethylenediamine in ethanol. Keywords: DPQ, intercalator, platinum complex, Schiff’s base
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 1, Issue 2, 2015 Read article
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Preparation and Characterization of Ce-Si-SBA-15 Modified With Iron
Abstract: Recently environmental concerns have driven the development of specialized catalysts to prevent polluting substances from being released into the environment. New technologies have improvised our understanding of catalytic functions as well as selectivity in order to save the energy and chemicals. Today, catalysis is the workhorse in the chemical industry with approximately >90% of the products produced in catalytic processes. In addition, life cannot exist without catalysis, as virtually all …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 2, Issue 1, 2016 Read article
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Successful Synthesis of Organic Molecules with Increased Conductivity and Durability
Abstract: Organic molecules are central to biological and chemical systems. Organic molecules are mainly composed of hydrogen and carbon. These constitute the building blocks for all living organism. Chemists and scientist are curious in synthesizing organic molecules that have increased conductivity and durability. Several techniques have been developed and modified to achieve this target. A novel method has been discussed for synthesis of organic molecules with enhanced conductivity and durability. Keywords: …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 2, Issue 2, 2016 Read article
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Effect of TiO2 on HER Activity of Electrodeposited Zn–Ni Coatings
Abstract: This paper demonstrates the improved electrocatalytic behavior of Zn–Ni alloy coatings for alkaline hydrogen evolution reaction (HER), due to addition of TiO2 nanoparticles into the bath. Zn–Ni alloy coatings have been electrodeposited galvanostatically on copper, with wide compositional range (2.31–7.91 wt. % of Zn) at different current densities (c.d.) between 2.0 and 5.0 A dm-2. The electrocatalytic behaviors of all coatings have been studied for alkaline HER in 1.0 M …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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A Mini Review Practice of Formulations of Nanoparticles
Abstract: Nanomaterials and Nanotechnologies attract tremendous attention in recent researches. New physical properties and new technologies both in sample preparation and device fabrication evoke on account of the development of nanoscience. Various research fields including physics, chemists, material scientists, and engineers of mechanical and electrical are involved in this research. Synthesis of nanomaterials that are synonyms to quantum confined atom is an important milestone in the pursuit. Materials scientists and engineers …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 1–7 Read article
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Synthesis and Characterization of Polyurethane in Powder Form
Abstract: Polyurethanes (PUs) are defined as a class of versatile materials with great potential for use in different applications, especially based on their structure-property relationships. Their specific mechanical, physical, biological, and chemical properties are attracting significant research to tailor made PUs for various applications. Enhancement of the properties and performance of PU-based materials are achieved through altering the production process or the raw materials used in their fabrication or via the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 22–27 Read article
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ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article
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Applications of Separation of Materials
Abstract: The main aim in our work deals with the preparation of series of new bio compounds that have interesting in bio and biomedical fields, pharmaceutical drugs, medicinal biochemistry and in other fields also. All compounds have wide applications and the prepared bio compounds were prepared through many steps with various conditions like azetidine, imidazole, thiazine, oxazepine , diazepine , tetrazole. The structure of the newly synthesized compounds were monitored by …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 20–24 Read article
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Synthesis of Nano-ZnO by Chemical Method and its Characterization
Abstract: Nanocrystals of ZnO were prepared by chemical method using Zn (II) acetate and potassium hydroxide as the starting materials and methanol as solvent. The material was characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), electron diffraction analysis (EDS), UV-Visible spectroscopy, Dynamic light scatteringanalysis (DLS) and Fourier transform spectroscopy (FTIR) techniques. The results indicated that the obtained ZnO material was in nano-dimension and possessed pure …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 13–18 Read article
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Synthesis, Characterization and Catalytic Study of Chitosan-Schiff Base Manganese Complex
Abstract: Schiff base is the condensation product formed when a primary amine reacts with a carbonyl compound. The term Schiff base is normally applied to those compounds when they are being used as ligands to form coordination complexes with metal ions. Its formation takes place under acid or base catalysis or with heat. Vanillin Schiff base and Aspartic acid-Salicylaldehyde Schiff bases have been synthesised bycondensation reaction. The synthesized ligands were mixed …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 1–6 Read article
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Electrotrophs that Thrive in High Temperatures for the Microbial Electrosynthesis of Organic Materials (Microbial Electrosynthesis)
Abstract: Electrotrophs are a type of microorganism that can use electrons as an energy source for metabolic processes, such as the synthesis of organic compounds. This makes them ideal for use in microbial electrosynthesis (MES), a technology that harnesses these organisms to produce valuable chemicals and fuels from carbon dioxide and other renewable sources. Microbial electrosynthesis is a viable technique for converting carbon dioxide to various organic products and transportation fuels, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 30–35 Read article
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Green Chemistry Approach for the Preparation of Silver Nanoparticles: A Review
Abstract: The word "nanoparticles" refers to particles within a size range of 10 and 100 nm. Nanotechnology is the topic that is growing the fastest because of its applications in science and technology to produce new at the nanoscale range. Silver is the metal of first preference among the various noble metals. The production of silver nanoparticles can be achieved by different methods such as: chemical method, biological method, green synthesis. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 30–39 Read article
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Synthesis, Crystal growth and Characterization of Lead acetate zinc (II)Sulphate Material
Abstract: Leadacetatezinc (II) Sulphate Crystal is synthesized by the addition of Leadacetate to Zinc sulphate in equimolar concentration (1:1ratio) to produce larger sized crystal but during the crystallization process a bulk of colourless precipitate was obtained and after filtration the crystals are formed in the filtrate after slow evaporation solution growth technique. Thus formed crystals from the filtrate is kept away and the precipitate formed during the crystallization process is characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 22–29 Read article
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Biomass Conversion-Technologies and Benefits
Abstract: Biomass refers to an organic matter that can be used as fuel. It comprises crop residues, manure (both human and animal), industrial wastes, domestic wastes etc. Biomass has been in use for energy generation from last several years. Several technologies have been developed for obtaining energy from biomass fuel. Some of these techniques have been summarized in this review. Using biomass for energy generation has several benefits. It is safe …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 2, Issue 2, 2016 · pp. 27–29 Read article
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Passive Capillary Flow of Dyed Aqueous Ethanol in the Leakage-Free PMMA Microchannel
Abstract: A single polymethylmethacrylate (PMMA) microfluidic device is fabricated by the maskless lithography, hot embossing lithography and direct bonding technique. This device is tested by dyed aqueous ethanol (10% ethanol, 90% dyed water) in leakage-free condition. The passive capillary flow of dyed aqueous ethanol is recorded by a CMOS camera catching 25 frames per second. This work will be useful in commercial bioengineering applications. Keywords: Passive capillary flow, PMMA, Aqueous ethanol, …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 4, Issue 1, 2018 · pp. 12–14 Read article
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Development of Effective Electrodes and Electricity Generation in Continuous Microbial Fuel Cell using Poultry Wastewater
Abstract: The Microbial Fuel Cell was designed for batch and continuous operations and the electrodes were developed using a simple and effective technique known as phase inversion. The different combinations of electrodes were used in the experiment to get the maximum power output and organic matter removal. The poultry wastewater was used as substrate and was comparatively studied with Luria Bertani (LB) solution. The best combination of electrode was found to …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 4, Issue 1, 2018 · pp. 1–11 Read article
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AN EXPERIMENTAL STUDY ON HAZARDS OF TOBACCO CHEWING AMONG LABORS IN JAIPUR DISTRICT RAJASTHAN
Abstract: An experimental study conducted on the risks of chewing tobacco among the jobs that work in Jaipur. The aim of the study is to evaluate the effectiveness of planned planned instructions (PTP) in the knowledge of the dangers of chewing tobacco and to raise awareness about the dangers of chewing tobacco among people. The 60 works were selected through an intentional factory sampling technique in Jaipur and the tool was …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 4, Issue 1, 2018 · pp. 28–31 Read article
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Assessment of Solar Energy Acceptability Using Kolmogorov-Smirnov Distribution Test and Single Factor One-Way Analysis of Variance
Abstract: Extensive study has been carried out on the assessment of acceptability of solar energy as an alternate efficient energy management option. The study area was limited to Port Harcourt city in Rivers State. The study population was grouped into two categories being shop-owners and residential occupants within the study area. Random sampling technique was applied for data collection with structured questionnaires as the major instrument used for data collection. The …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 1, 2021 · pp. 24–34 Read article
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Development of Efficient Electrode and Design of Microbial Fuel Cell to Generate Electricity from Waste Water
Abstract: The study was focused on the development of composite electrodes and design of Continuous Microbial Fuel Cell to generate electricity from waste water. The electrodes were developed with different combinations of catalysts using phase inversion technique. In MFC Nafion 117 membrane was used as a proton exchange membrane and sewage waste water as substrate for the E.coli bacteria, which decomposes the organic matter and produces electrons. Different combination of electrodes …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 1, 2021 · pp. 7–18 Read article