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Showing 1 to 20 of 22 for “"Thermo Gravimetric Analysis"”.
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Test Development and Material Characterization of Hot Poured Crack Sealant at Low Temperature
… infrared spectroscopy (FTIR), and thermo-gravimetric analysis (TGA). These techniques reveal the composition of sealant as well as the interaction between the components and are used to assist the understanding of various sealant mechanical behaviors. The results of the …
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Controlled multi-step purification of single-walled carbon nanotubes
… and quality of each sample were determined by thermo-gravimetric analysis (TGA), Raman spectrometry, ultraviolet-visible-near-IR (UV-vis-near-IR) spectrometry, fluorescence spectrometry and transmission electron microscope (TEM) spectroscopy. The purity and yield of SWNT are improved due to …
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Catalytic Role of Boron Nitride in the Thermal Decomposition of Ammonium Perchlorate
… The decomposition reaction is studied by thermo-gravimetric analysis / differential scanning calorimetry, X-ray photoelectron spectroscopy, fourier transform infrared spectroscopy, transmission electron microscopy and scanning electron microscopy. The goal of this study is to discover the …
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A comparison of conventional heating techniques and microwave irradiation for the desorption of lithium borohydride and lithium borohydride composites
… using both roller and planetary mill techniques. Thermo-gravimetric analysis and differential scanning calorimetry determined the desorption characteristics of the as received and milled materials. Scanning electron microscopy was used to examine the particle size of the materials before heating. …
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Steam oxidation of FeCrAl coated Zircaloy-2
A NEITZCH Jupiter 441 simultaneous thermal analysis with a water vapor furnace was installed and calibrated for temperature and di fferential scanning calorimetry (DSC). Bare and FeCrAl coated Zircaloy-2 nuclear fuel cladding and FeCrAl coated single crystal Yttria stabilized Zirconia (YSZ) samples …
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Formulation of novel buccal mucosal drug delivery systems for nicotine replacement therapy (NRT)
… (ATR-FTIR) spectroscopy (physical interactions), thermo gravimetric analysis (TGA), differential scanning calorimetry (DSC), (thermal profiles) and high-performance liquid chromatography (HPLC) (drug loading efficiency and release). NIC stabilisation was required due to challenges of volatility …
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Studies of the surface and bulk reactivity of calcium hydroxide
… by Fourier Transform Infra-Red Spectroscopy, Thermo-Gravimetric Analysis, Nitrogen Adsorption, Water Adsorption, Scanning Electron Microscopy and Microprobe Analysis. From this slight differences in the 'fresh' samples were found to be due to various degrees of atmospheric ageing. The main …
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NANOPARTICLES WITH POTENTIAL REMINERALIZING AND ANTI-BACTERIAL PROPERTIES FOR USE IN DENTAL ADHESIVES
… Scanning Calorimetry (DSC) combined with Thermo Gravimetric Analysis (TGA) and Fourier Transform Infrared Spectroscopy (FTIR). The release of silver, calcium, and phosphate ions was studied over a period of 1 month using Inductively Coupled Plasma – Optical Emission Spectroscopy (ICP-OES) …
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Defluoridation using modified mucilage from indigenous plant material in Vhembe District, Limpopo Province, South Africa
… fluorescence (XRF), X-ray diffraction (XRD), Thermo-gravimetric analysis (TGA), elemental composition and proximate analysis. Batch adsorption studies as the effects of dosage, pH, time, temperature and change in water chemistry were investigated. The modification process introduced alkanes in …
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Development of nanocrystalline Fe80Cr20 alloy using combination technique of ball milling and ultrasonic treatment for fuel cell interconnector
… treatments (milled and UT). Characterization and analysis were carried out to all samples by using X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM) and Energy dispersive X-ray Diffraction (EDS), Thermo Gravimetric Analysis (TGA) and Particle Size Analyzer (PSA). The results showed that …
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Local structure analysis of solid state ionic conductors, perovskite-derived structures by NMR and computational studies
… diffraction and pair distribution function (PDF) analysis) and thermo-gravimetric analysis (TGA). The parent material, $Ba_{2}In_{2}O_{5}$, has inherent oxygen vacancies which allow for fast O2– ion mobility at elevated temperatures and for hydration of the material needless of doping. We improve …
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Microstructure and mechanical properties of the exoskeleton of the lobster Homarus americanus as an example of a biological composite material
… energy dispersive x-ray (EDX) measurements and thermo-gravimetric analysis (TGA) for evaluating the grade of mineralization. The outstanding mechanical properties and the multi-functionality of biological materials make their investigation particularly interesting from a biomimetic viewpoint. …
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Additive manufactured biodegradable and biocompatible polymeric nanocomposite scaffolds for bone tissue engineering applications
… novel FDM filaments were characterized using Thermo-Gravimetric Analysis (TGA) and Fourier Transform Infrared Spectroscopy (FTIR) to ensure the precision of the nanocomposite contents. The FDM processing conditions of the novel nanocomposite filaments were optimized using Taguchi’s orthogonal …
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Raman microscopy studies of carbon particles from diesel particulate matter (DPM) and coal dust
… Fourier Transform Spectroscopy (DRIFTS), Thermo-Gravimetric Analysis (TGA), X-ray Fluorescence (XRF) spectrometry and Scanning electron Microscopy. The sp2/sp3 carbon bonding ratios for DPM and coal dust were determined as 6.1 and 0.7, respectively, from XPS. Principal Component Analysis …
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Magnesium doped hydroxyapatite/sodium alginate biocomposite for bone implants application
… Energy Dispersive Spectroscopy (EDS) and Thermo Gravimetric Analysis (TGA). The 99.5/0.5 HA/SA are chosen and doped with various composition ratios of Mg-doped HA/SA from 0.5 wt.%, 1.0 wt.%, and 1.5 wt.% at 1000 to 1400 °C were investigated by evaluating the physical, mechanical, and …
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Investigation of Volatile Products from Wood Pyrolysis
<p>In this research we are following the thermo-chemical degradation of wood in the absence of oxygen. The objectives are to evaluate the influence of heating rates on pyrolysis products obtained from wood pyrolysis and to evaluate the influence of acid pre-treatment on pyrolysis products. …
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Synthesis of zeolites and their application as soil amendments to increase crop yield and potentially act as controlled release fertilizers.
… diffraction (XRD), X-ray fluorescence (XRF), Thermo-gravimetric analysis (TGA) and Scanning electron microscopy (SEM) techniques, both before and after ion exchange. Ammoniumexchanged Phillipsites (natural and synthetic), ammonium-exchanged synthetic Linde-type F (the zeolite having highest …
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Evaluation of reactive cap sorbents for in-situ remediation of contaminated sediments
… effects on PAH adsorption.</p><p>A structural analysis using Scanning Electron Microscopy for activated carbon and X-Ray Diffractometry, Atomic Force Microscopy and Scanning Electron Microscopy for organoclay were conducted to observe differences caused by humic acid on the surfaces of the …
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High-temperature corrosion protection of gas turbine blades with micro-coatings and nano-coatings : simulation and experiments
… the nano-coating (single layer coating). TGA (thermo-gravimetric analysis) and SEM (scanning electron microscopy) tests of both flame-sprayed micro- and nano-coated specimens have been conducted. Corrosion rates (linked to oxidation) were obtained with the parabolic model for both types of …
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Caratterizzazione di membrane metalliche e ionomeriche per applicazioni energetiche
… deposition (ELD), solubility and diffusivity analysis of hydrogen in palladium based alloys (temperature range between 200 and 400 °C up to 12 bar of pressure) and permeation experiments of pure hydrogen and mixtures containing, besides hydrogen, also nitrogen and methane at high temperatures …
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