X-Ray Diffraction (XRD)
X ray diffraction (XRD)
... this process. We analyzed the kinetics of thermal transformation of Al-maghemites into Al-hematites and some of its mineralogical aspects. Synthetic substituted maghemites with different degrees of Al-substitution (0.0, ...
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X-ray diffraction pattern and relative crystallinity of irradiated arrowroot starch
... After cereals, tubers and roots are the major source of starch for food and industrial uses. Arrowroot refers to any plant of the genus Marantha, but the term is most commonly used to describe the easily digested starch ...
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Evaluation of stress-strain behavior of surface treated steels by X-ray diffraction
... 4 Figure 2 left presents a characteristic optical micrograph of the cross-section of the nitrided specimens. DIN 32 Cr Mo V 13 nitrided steel presents a white layer with a thickness of 18 μm, and a diffusion zone with ...
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Synthesis of hydroxyapatite and structural refinement by x-ray diffraction.
... SYNTHESIS OF HYDROXYAPATITE AND STRUCTURAL REFINEMENT BY X-RAY DIFFRACTION. A sample of hydroxyapatite was synthesized and its crystalline structure was analyzed by X-ray ...
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J. Braz. Chem. Soc. vol.24 número2
... in X-ray diffraction patterns of the sample obtained from sonochemical method could be an evidence of smaller particle ...the X-ray wavelength of 1.5418 Å, θ is the Bragg ...
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Mat. Res. vol.10 número1
... (TGA), x ray diffraction (XRD), diffuse reflectance infrared Fourier transform spectroscopy (DRIFT), scanning electron microscopy and energy dispersive spectrometry ...
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Characterization and DC Conductivity of Novel CuO doped Polyvinyl Alcohol (PVA) Nano-composite Films
... by X- ray diffraction (XRD) analysis, Fourier Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDXS); which ...
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Synthesis and characterization of (Ba,Yb) doped ceria nanopowders
... Typical x-ray diffraction patterns for the solid solu- tions of (Ba, Yb) doped ceria with different dopant con- centration are shown in ...to X-ray dif- fraction analysis, the obtained ...
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Mat. Res. vol.8 número2
... morphology. X-ray diffraction (XRD) and Fourier Transform Infra- red Spectroscopy (FTIR) patterns were used to reveal the structural properties of the materials ...
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J. Braz. Chem. Soc. vol.26 número10
... where X is the iron content (0, 19, 35 or 45 ...°C). X-ray diffraction (XRD) powder diffractions analyses for the composites showed in general low crystallinity (see Supplementary Information ...
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X ray diffraction analysis of IrO2/TiO2/CeO2 ceramic oxide films.
... raios X (DRX), microscopia eletrônica de varredura e transmissão (MEV e MET), espectroscopia fotoeletrônica de raios X (XPS) e espec- troscopia no infravermelho (IRS) mostrou que esses materiais são o ...
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Int. braz j urol. vol.33 número1
... Phyllanthus niruri (Pn) is a plant that has been shown to interfere in the growth and aggregation of calcium oxalate (CaOx) crystals. In the present study we evaluated the effect of Pn on the preformed calculus induced ...
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Matéria (Rio J.) vol.12 número3
... by X-Ray fluorescence spectroscopy (Shimadzu RF-5301), was found to be Ti – ...(DTA), X-ray diffraction (XRD), and scanning electron microscopy ...mm x 17 mm x 2 mm were ...
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Thermal Analysis: A Complementary Method to Study the Shurijeh Clay Minerals
... study, X-ray diffraction (XRD), X-ray fluorescence (XRF), scanning electron microscopic (SEM) studies, and thermal analysis including differential thermal analysis (DTA), and ...
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Determination of the oxygen and nitrogen interstitial diffusion coeficient in niobium by mechanical spectroscopy
... The polycrystalline sample of Nb was obtained by electron-beam zone melting and was supplied in the form of swaged rod of 3 mm in diameter, by FAENQUIL/Lorena. Samples 50 mm long which had been chemically polished to 1 ...
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Composition, size distribution, optical properties, and radiative effects of laboratory-resuspended PM<sub>10</sub> from geological dust of the Rome area, by electron microscopy and radiative transfer modelling
... at dust source, scanning electron microscopy/X-ray energy- dispersive microanalysis (SEM XEDS) of individual min- eral particles, X-ray diffraction (XRD) analysis of bulk dust samples, n[r] ...
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Matéria (Rio J.) vol.12 número1
... the X-ray diffraction patterns of composites before and after soaking in SBF and SBFA for several ...the diffraction peaks are less defined for tests in the presence of albumin; therefore, ...
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Effect of Depth Implantation of Lanthanum on The Oxidation of Fe80Cr20 based Alloys
... kinetics. X-ray Diffraction (XRD) and scanning electronic microscopy (SEM) coupled to an Energy dispersive spectrometer (EDX) were used to examine the surface morphology and phase composition of ...
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Cerâmica vol.49 número312
... The phase identification by mass contrast, using emission of backscattered electrons in SEM, is an important tool in situations where the phases present have an accentuated difference of their atomic number. Even so, it ...
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J. Braz. Chem. Soc. vol.15 número5
... Potassium hydrotris(2-mercaptothiazolyl)borate, KMt, (1) and potassium hydrotris(2- methimazole), KTm, (2), were prepared by reacting the appropriate amine thiol with KBH 4 . They were characterized by spectroscopic ...
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