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1013 articles for “characterization”
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Synthesis and Characterization of Quinacridone Violet (Pigment Violet 19): Process Optimization and Colorimetric Evaluation
Abstract: Objective: This study focuses on the synthesis and characterization of Quinacridone Violet (Pigment Violet 19), a high-performance organic pigment known for excellent lightfastness and durability. The research aims to optimize the manufacturing process and evaluate the colorimetric properties of the synthesized pigment. Methods: PV 19 was synthesized via a multi-step process involving condensation, oxidation/hydrolysis, and ring closure/cyclization reactions. Two experimental batches (MM#973-A1/B1 and MM#974-A1/B1) were prepared with varying mole ratios …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 41–51 Read article
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Comparative Analysis of Characterization Techniques for Nanomaterial: Strengths and Limitation
Abstract: Nanomaterials have become extremely popular in numerous fields because of their exceptional properties and potential applications. However, characterizing these materials can be challenging due to their minute size and substantial surface area. Over the years, various characterization techniques have been developed to understand the physical, chemical, and structural properties of nanomaterials. In this review, we compare and analyze the strengths and limitations of commonly used characterization techniques for nanomaterials. Several …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 34–41 Read article
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Green approach for the synthesis of Titanium dioxide nano particles and their characterization
Abstract: The ecofriendly and sustainable method of green synthesis of nanoparticles gained a lot of popularity these days. Azadirachta indica (neem) leaves are used in this study to identify the eco friendly synthesis of titanium dioxide nanoparticles (TiO 2 NPs). TiO 2 NPs can be easily and sustainably synthesized from titanium precursors using neem leaves having bioactive compounds. Green production of TiO 2 NPs is facilitated by the stabilizing and capping …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 1, 2026 · pp. 50–58 Read article
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Synthesis & Characterization of Fe3O4 Nanoparticles for Thermal Sensing Application
Abstract: n this work, Synthesis and characterization of magnetite (Fe3O4) nanoparticles by the co-precipitation method has been done. These nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FTIR), UV-Visible spectroscopy (UV) and Thermogravimetry analysis (TGA/DSC). SEM image show morphology and porosity of material. The nanoparticles show quasi-spherical morphology with mean size around 37 nm. The XRD and FTIR confirmed the functionalization of the Fe3O4 nanoparticles. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 10–19 Read article
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Characterization of the Magnetization Reversal of Bulk Electrical Steel and FeCoBSi Thin Film
Abstract: The aim of the research paper is to characterize the magnetization reversal of bulk electrical steel and FeCoBSi thin film samples by using MOKE microscope and further record the magnetic domain structure and magnetic hysteresis of samples along both easy and hard axes of magnetization. MOKE microscopy is widely used in research field to characterize magnetic properties of materials used in integrated photonics and spintronic devices. The area under the …
Published in International Journal of Mechanics and Design · Vol. 7, Issue 1, 2021 · pp. 33–42 Read article
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Mechanical and Thermal Characterization of Natural Fiber-Reinforced Epoxy Composites for Structural Applications
Abstract: Natural fiber reinforced polymer (NFRP) composites have emerged as promising alternatives to conventional synthetic fiber composites owing to their environmental sustainability, low density, and competitive specific mechanical properties. However, a comprehensive and simultaneous evaluation of both mechanical and thermal performance of jute/sisal hybrid natural fiber epoxy composites under systematic fiber treatment conditions remains insufficiently addressed in the literature. The present study investigates the mechanical and thermal characterization of jute and …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 37–48 Read article
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Investigation on the Characteristics of Chromolaena Odorata (Awolowo leaf) in Petroleum Hydrocarbon Degradation in Loamy Soil Environment
Abstract: The application of Chromolaena odorata (Awolowo leaf), processed into powder form, was used as a biostimulant for petroleum hydrocarbon degradation and mitigation in a loamy soil environment. In this investigation, the physicochemical and microbial characteristics of the sample were determined, as presented in this research, including pH, electrical conductivity (EC), total nitrogen (T.N), total phosphorus (T.P), potassium (K), total organic carbon, and P. fluorescence. Corynebacterium sp., Arthrobacter, Bacillus, Acinetobacter iwoffi, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 13–23 Read article
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The Trend of Oil Produced from the Application of Mechano-Thermal Concepts of Extraction: The Characteristics of the Physiochemical Properties
Abstract: The agricultural production process generates a significant amount of waste in the form of by-products and unused resources. Chemical engineers have a significant position on the globe, resulting in the production of a wide range of products for pharmaceutical, chemical, food and other industrial as well as domestic utilization. Ineffective management of agricultural waste can cause serious harm to the environment and cause a waste of resources. As chemical production …
Published in International Journal of Agrochemistry · Vol. 10, Issue 1, 2024 · pp. 1–7 Read article
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Investigation of Adsorbent Morphology Characteristicsof some Agro-Based Materials for Treatment Integration
Abstract: Research conducted on the investigation of adsorbent morphology characteristics of some agro-basedmaterials for the purpose of treatment application was carried out to examine the potential in terms ofelement present in it. The agro-based material considered are plantain Ogoni Red (POR), BananaOgoni Red (BOR), Banana Native (BN), Plantain Agbagba 1 (PA1), Plantain Agbagba 2 (PA2) and 34banana of different particle size examined. The result of elements of the morphology of each …
Published in International Journal of Chemical Engineering and Processing · Vol. 10, Issue 1, 2024 · pp. 27–40 Read article
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Fabrication and Characterization of Paper-Sludge Reinforced Polypropylene Composites
Abstract: The purpose of this research was to identify some physical and mechanical characteristics of polypropylene (PP) composites reinforced using various paper sludge (PS) and PP combinations, as well as to assess the performance of the coupling agent. The physico-chemical characteristics of the waste sludge material from paper manufacturing wastewater treatment sludge (PS) were investigated. The physical and mechanical properties of the composite were examined in the experiment using three levels …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 15–26 Read article
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Assessment of Pedestrian Walking Characteristics at Erbil CBD
Abstract: To enable and encourage walking, understanding of the characteristics of pedestrian movements is vital. The restrictions on vehicular movement, and scarcity of parking lots had changed the whole traffic movement to the unserviceable condition. Therefore, walking is considered as the most efficient mode of transportation at Erbil CBD area. In developing countries like Iraq, however, the recognition of the importance of pedestrian walking studies is still infancy; the published data …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 1, Issue 2, 2015 · pp. 1–10 Read article
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Synthesis and Characterization of Fluorescent Core-Shell Ag@SiO2 and Ag@MoS2 Nanoparticle
Abstract: Among metals, silver (Ag) and gold (Au) NPs have attracted significant interest owing to their extraordinary optical properties related with the localized surface Plasmon resonance. However, the main drawbacks of colloidal nanoparticles, making them barely useable in the photovoltaic field, are their low colloidal stability. To overcome this problem we have developed a new class of fluorescent core-shell Ag@SiO2 nanoparticles, or simply called (MEF) nanoparticles. Different characterization techniques UV-Vis, PL …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 8–16 Read article
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Synthesis and Characterization of Polymer-Based Organic–Inorganic Hybrid Materials viaSol–Gel Processing: A Review of Gelatin–Silica, Gelatin–Silica–Titania and HPMA-Based Systems
Abstract: Organic–inorganic hybrid materials have emerged as a versatile class of advanced materials that integrate the flexibility and functionality of organic polymers with the thermal, mechanical, and chemical stability of inorganic networks. Among the available fabrication routes, the sol–gel process has gained considerable attention because of its simplicity, low processing temperature, compositional flexibility, and ability to tailor material properties at the molecular level. The present review discusses the synthesis and characterization …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 2, 2026 Read article
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Formulation and Characterization of Polyhydroxyalkanoates Copolymer Nanoparticles for Controlled Drug Release
Abstract: The present study was focused on the formulation of polyhydroxyalkanoates copolymer nanoparticles (PHANPs) for in vitro controlled release of the drugs, viz. levofloxacin and amoxicillin. The PHANPs were synthesized by a triple emulsion method and conjugated with amoxicillin and levofloxacin to improve its remedial bioavailability. The PHANPs and drug conjugatedPHANPs were analysed using Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR) spectroscopy and X-Ray Diffraction (XRD). The cell viability % …
Published in International journal of Nanobiotechnology · Vol. 6, Issue 2, 2020 · pp. 1–11 Read article
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Study the Microwave Characteristics of Nanocomposites for Strengthening Building Materials
Abstract: The paper depicts the consequences of microwave portrayal of composite structure material comprising of layers of plastics, fiber glass and paste. The consistency of the block test of such a material has been assessed involving examining standard horn receiving wire in the recurrence range 7-12 GHz. Resounding monopole radio wire dove into the example has been utilized for assurance of comparable complex permittivity in the recurrence range 0.7-6 GHz. Non-uniform …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 1, 2022 · pp. 19–26 Read article
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Experimental Analysis of Performance, Combustion and Emission Characteristics of a Thermal Barrier–Coated Piston Diesel Engine Fuelled with Jatropha Biodiesel Blended with Nanoparticles
Abstract: Abstract The present study experimentally investigates the performance, combustion, and emission characteristics of a compression ignition diesel engine equipped with a thermal barrier–coated (TBC) piston and fuelled with alumina nanoparticle-enhanced Jatropha biodiesel. A yttria-stabilized zirconia (YSZ) ceramic coating was applied on the piston crown to reduce heat loss and improve in-cylinder thermal conditions. Jatropha biodiesel blends (B10, B20, and B30) were prepared through transesterification, and alumina (Al₂O₃) nanoparticles at a …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article
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Exploring Watersheds: Assessing Drainage Basin Characteristics and Management Approaches for Channel and Overland Flows
Abstract: Abstract: A watershed also known as a drainage basin or catchment area, constitutes a fundamental hydrological unit encompassing a delineated land surface from which all runoff converges into a common drainage system, channel, or water body. Recognized as vital frameworks for resource assessment and sustainable development planning, watersheds epitomize the intricate interplay between land and water resources, offering optimal synergies for holistic management approaches. This paper embarks on a comprehensive …
Published in International Journal of Landscape Planning and Architecture · Vol. 10, Issue 1, 2024 · pp. 24–34 Read article
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Treatment of Petroleum Hydrocarbon: The Concept of Dissolved Oxygen and Iron Characteristics using Adsorbent and Temperature Effect
Abstract: The treatment of petroleum hydrocarbon was monitored by considering the characteristics of dissolved oxygen and iron concentration on the impact of temperature variation on the performance of the adsorbent used. The research revealed that increase in the potential performance of the adsorbent in petroleum hydrocarbon removal enhanced variation in the characteristics of the dissolved oxygen and iron content in the packed bed unit for the treatment of water medium contaminated …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 2, 2023 · pp. 13–19 Read article
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Production and Characterization of Biomass Briquette from Sawdust and Cow Dung Admixture for Domestic Cooking Applications in Northern Ethiopia
Abstract: This study explored the possibility of producing and characterize biomass briquettes from sawdust and caw dung admixture that could be used as a sustainable fuel sources of energy supply for domestic cooking applications. In this study, Potato starch used as a binder. The physical and composition properties of the sawdust and cow dung as well as the developed biomass Briquettes were determined using Thermogravimetric analysis. A portion of sawdust and …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 2, 2019 · pp. 49–57 Read article
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Characteristics of Photovoltaic Modules Under Uniform Insolation and Partially Shaded Conditions
Abstract: Abstract The maximum power that could be generated by a Photovoltaic (PV) System is depends on temperature and irradiance variations. Often, the PV arrays get shadowed by clouds, towers, trees and telephone poles. In order to obtain full utilization from the PV array, it is necessary to analyze the characteristics of PV system. This study deals with a MATLAB based modeling and simulation of a photo voltaic cell under normal …
Published in International Journal of Distributed Computing and Technology · Vol. 1, Issue 2, 2015 · pp. 6–15 Read article