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117 articles for “X-Ray”
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Tailoring Electrolytic Deposition of Zn-Ni Alloys for Superior Corrosion Resistance in Harsh Environments
Abstract: Since Zn–Ni alloy coatings are more resistant to corrosion than pure zinc coatings, they are being researched extensively. In this study, Zn–Ni alloy coatings electrolytically deposited from an acidic sulfate bath are investigated. The study looks into how the microstructure, phase composition, and corrosion resistance of the coatings are affected by deposition factors like pH, current density, and electrolyte composition. X-ray diffraction (XRD), potentiodynamic polarization, and scanning electron microscopy (SEM) …
Published in International Journal of Chemical Engineering and Processing · Vol. 11, Issue 1, 2025 Read article
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Design and Analysis of Metal-Organic Frameworks for Gas Adsorption and Storage
Abstract: Metal-Organic Frameworks (MOFs) represent a class of highly porous materials formed by the coordination of metal ions with organic linkers, exhibiting exceptional potential for gas storage applications due to their high surface area, tunable pore sizes, and structural versatility. The synthesis and characterization of MOFs intended for the effective storage of gases like carbon dioxide, methane, and hydrogen are the main topics of this work. Solvothermal Hectic strategies, including solvothermal, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 25–30 Read article
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Structural, Optical, and Antibacterial Properties of NiCr₂O₄/NiO Nanocomposite Synthesized by a Facile Microplasma Electrochemical Process
Abstract: Nowadays increasing severity of environmental pollution and antibiotic resistance poses significant global challenges, particularly due to the accumulation of organic pollutants from industrialization and the proliferation of antibiotic-resistant bacteria, which jeopardize ecosystems and public health. To address these issues, the development of advanced nanocomposites with photocatalytic and antimicrobial properties is of paramount importance. This article reports the synthesis of NiCr₂O₄/NiO nanocomposite conducted in the current study via atmospheric pressure microplasma …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
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UV-Spectroscopic Interaction Studies of Synthesized Graphene Oxide and Methyl Orange
Abstract: Graphene oxide (GO) has become a popular material due to its valuable properties and wide range of applications in various fields. GO was synthesized using a modified Hummers’ method and characterized through various techniques, including X-ray diffraction (XRD), and scanning electron microscopy (SEM), The effectiveness of GO in decolorizing methyl orange was assessed using UV-Vis spectrophotometry, with varying GO concentrations (0.05, 0.075, 0.1, 0.15) g and time (2–120 minutes) intervals. …
Published in International Journal of Environmental Chemistry · Vol. 10, Issue 2, 2024 · pp. 36–47 Read article
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Design and Optimization of Heterogeneous Catalysts for Green Chemistry Processes
Abstract: The design and optimization of heterogeneous catalysts are critical for advancing green chemistry processes, aiming to minimize environmental impact while maximizing efficiency. This study explores innovative strategies for the development of heterogeneous catalysts that facilitate environmentally benign reactions. By integrating principles of catalyst design, surface science, and reaction engineering, we aim to enhance catalytic performance, selectivity, and stability. Catalyst composition and structure, investigating novel materials, including metal-organic frameworks (MOFs), zeolites, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 42–48 Read article
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Investigation on Synthesis and Evaluation of Nanopore NaA Zeolite Membranes
Abstract: Effects of synthesis parameters on the membrane structure and performance have been investigated for nanopore NaA zeolite membranes grown onto seeded mullite supports. Molar composition of the starting gel of nano NaA membranes was: SiO2/Al2O3=0.8–3.2, Na2O/Al2O3=1.6–4.6, and H2O/Al2O3=50–200. Also, effects of crystallization time and temperature on the membrane performance were studied. X-ray diffraction (XRD) patterns of the membranes exhibited peaks corresponding to the support and the zeolite. The crystal species …
Published in International Journal of Analytical and Applied Chemistry · Vol. 3, Issue 2, 2017 · pp. 9–22 Read article
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Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
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Magneto-electrodeposition of Sn–Ni alloy Coating for Better Corrosion Protection
Abstract: The present paper reports the development of excellent corrosion resistant Sn–Ni alloy coatings from a new pyrophosphate bath by magneto-electrodeposition (MED) approach. First part reports optimization of conditions for deposition of Sn–Ni coatings on mild steel by conventional electrodeposition (ED) method and their characterization. The second part demonstrates how the corrosion resistance of Sn–Ni alloy coatings can be improved drastically by MED method, using same bath. Significant decrease of corrosion …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 1, 2016 · pp. 29–42 Read article
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Induced codeposition of Ni-W alloy coatings using glycerol as additive and their characterization
Abstract: As a promising coating material to replace hard chromium coating, the development of nickel–tungsten (Ni-W) alloy coatings of good corrosion protection is of great interest in surface coating technology. Further, the effect of plating variables, including additive on the composition of alloys of induced co-deposition is more vagarious than in other types of alloy deposition. In this regard, an alkaline citrate bath has been formulated for electrodeposition of Ni-W alloy …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 2, 2016 · pp. 1–9 Read article
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Preparation and Evaluation of Nano pore Faujasite Membranes
Abstract: Nano pore Faujasite zeolite membranes were synthesized by in-situ hydrothermal method on porous ceramic tubes. Hydrothermal crystallization was carried out under an autogenously pressure and at a static condition of 100 oC. Molar composition of the starting gel of Faujasite zeolite membranes were NaX: SiO2/Al2O3=10-27, Na2O/Al2O3=4-9, H2O/Al2O3=250; NaY: SiO2/Al2O3=2.5-4, Na2O/SiO2=1.08-2, H2O/Na2O=30-200. X-ray diffraction (XRD) patterns of the membranes exhibited peaks corresponding to the support and the zeolite. The crystal species …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 15–24 Read article
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Investigation of the Optical-Electrical Properties of Simonkolleite and ZnO: Synergism and Nano/Microcrystals
Abstract: This study aimed to investigate the optical-electrical properties of simonkolleite (SM) and zinc oxide (ZnO), focusing on ZnO's nano/micro size and the synergistic effects between SM and ZnO. The synthesis of SM nanocrystals (NCs) was successfully achieved, and thermal annealing temperature was used to manipulate the formation of SM/ZnO nanocomposites ranging from NCs to microcrystals of ZnO. Structural and morphological properties were characterized using X-ray diffraction (XRD),Fourier transforms infrared (FT-IR), …
Published in International Journal of Energetic Materials · Vol. 8, Issue 2, 2022 · pp. 18–30 Read article
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Correlation between full width at half maximum (FWHM) of XRD peak with mechanical properties
Abstract: Full width at half maximum (FWHM) of XRD profiles characterizes different mechanical properties. However, there is no literature available that discusses about the correlation between the FWHM of XRD peaks with mechanical properties (ultimate tensile strength, yield strength, strain hardening coefficient and micro-hardness) upon plastic deformation. Martensitic stainless steel (type 410) and Ferritic stainless steel (type 430) samples were plastically deformed under different strain rate using tensile testing machine. Variation …
Published in International Journal of Metallurgy and Alloys · Vol. 1, Issue 1, 2015 · pp. 15–23 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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Biosynthesis of Silver Nanoparticles using Aqueous Extract of Chaetomorpha media (C.Ag.) Kuetzing
Abstract: Chaetomorpha media (C.Ag.) Kuetzing is common green seaweed belongs to the family Chlorophyceae. The aqueous extract of Chaetomorpha media was used for the biosynthesis of Silver Nanoparticles. The Silver Nanoparticles were formed due to the reduction of silver nitrate to aqueous silver ions in the presence of seaweed extract. Silver nanoparticles exhibited dark brown colour in aqueous solution. The synthesized silver Nanoparticles were characterized by UV-Visible Spectrophotometer, Fourier Transform Infrared …
Published in International journal of Nanobiotechnology · Vol. 6, Issue 2, 2020 · pp. 12–18 Read article
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Trichoderma Based Synthesis of Silver Oxide Nanoparticles, Their Characterization and Assessment of Antifungal Activity
Abstract: The fungal spore suspension of Trichoderma harzianum was used for the preparation of AgO nanoparticles. T. harzianum spore suspension acts as reducing and stabilizing agent for the fabrication of nanoparticles. The synthesized nanoparticles were characterized by X-ray diffractometry (XRD), scanning electron microscopy (SEM), energy dispersive X-analysis (EDAX) and transmission electron microscopy (TEM). The AgO nanoparticles were circular in shape with average diameter 10-20 nm. The AgO nanoparticles showed promising antifungal …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 2, 2021 · pp. 19–25 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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Green Synthesis of Silver Nanoparticles Using Leaf Extract of Calpurnia Aurea and Evaluation of its Antibacterial Activity
Abstract: Synthesis of nanoparticles using plant extracts is an emerging as a new and effective method that avoids the involvement of toxic chemicals. In this study AgNPs synthesized using Calpurnia aurea leaf extracts were evaluated for their antibacterial activity. The green synthesized AgNPs were characterized using analytical instruments like UV–visible, X-ray diffraction (XRD) and Fourier transform infrared (FTIR). The UV-Vis spectra shows surface Plasmon resonance peak present at 429 nm. The …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 2, 2021 · pp. 25–33 Read article
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Kinetic Modeling and Thermodynamic Study of the Simultaneous Adsorption of Polycyclic Aromatic Hydrocarbons (PAHs) Onto Organomontmorillonite in Aqueous Medium
Abstract: Water is a vital source of human life, but it has frequently been polluted by mono and polycyclic aromatic hydrocarbons, usually from petrochemicals in petroleum industrial effluents as well as other anthropogenic activities. This study investigate the potential of montmorillonite intercalated HDTMAand TMPA cations for effective removal of five (5) different polycyclic aromatic hydrocarbons (PAH) namely: naphthalene, anthracene, chrysene,benzo(a)pyrene and benzo(g,h,i) perylene in aqueous medium. To research PAH adsorption behaviour …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 28–38 Read article
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Effect of Coupling Agent on Organoclay Dispersion in Polyethylene/Organoclay Nanocomposites for Packaging Industry
Abstract: Low-density polyethylene (LDPE) is one of the most widely used polymers in various fields, but due to the hydrophobic nature of LDPE, it is hard to prepare an LDPE/clay nanocomposite. In this article, an LDPE/organoclay nanocomposite, which can be used in the packaging industry, was prepared by melt-blending organoclay with a polymer matrix (LDPE) and compatibilizer, low molecular weight oxidized polyethylene. The influences of organoclay, and compatibilizer during melt mixing …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 1–11 Read article
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SYNTHESIS, CHARACTERIZATION AND STUDY OF PHOTOCATALYTIC ACTIVITY OF PVA CAPPED ZINC INDIUM SELENIDE NANOPARTICLES UNDER UV LIGHT IRRADIATION USING METHYL RED DYE
Abstract: In this work, we report the structural morphology, optical properties and photocatalytic activity of polymer capped zinc indium selenide nanoparticles, which have been synthesized by solvothermal method. PVA is acted as capping agent. The PVA capped zinc indium selenide nanoparticles were characterized using XRD, SEM with EDAX, AFM, TEM and UV-Vis absorption spectroscopy. The structural properties of PVA capped zinc indium selenide nanoparticles have been characterized by X-ray diffraction (XRD) …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 41–51 Read article