Microwave-Assisted Hydrothermal
Synthesis of Bi-based superconductor by microwave-assisted hydrothermal method
... Abstract. In this work we studied the synthesis of BSCCO-2212 superconducting phase associating a quite similar method developed by Pechini with the microwave-assisted hydrothermal method. To study ...
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Molecular and morphological characterization of hydrochar produced by microwave‑assisted hydrothermal carbonization of cellulose
... by microwave-assisted hydrothermal carbonization of ...char. Microwave-assisted hydrothermal carbonization yields a functionalized carbon-rich material similar to that produced ...
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Optical characterization of europium-doped indium hydroxide nanocubes obtained by Microwave-Assisted Hydrothermal method
... the hydrothermal system by promoting the development of a new technique offering reaction kinetic enhancement, formation of materials with different morphology, low synthesis temperature and reduced processing ...
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Microwave-assisted hydrothermal synthesis of lead zirconate fine powders
... by microwave-assisted hydrothermal technique is ...applied microwave power and irradiation time are ...the microwave application in reducing reaction time and improving particle ...
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Microwave-assisted hydrothermal synthesis as an efficient method for obtaining [ZN(BDC)(H2O)2]n metal-organic framework.
... Focused Microwave™ Synthesis System Discover S-Class por diferentes tempos para cada reator (10, 20, 30 e 40 min) e a uma mesma temperatura de 120 ºC sob constante ...
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Microwave-hydrothermal synthesis of nanostructured Na-birnessites and phase transformation by arsenic(III) oxidation
... were weighed and dissolved in deionized water (18.2 MV cm). Manganese chloride was mixed with NaOH to produce manganese hydroxide, followed by the addition of potassium permanganate while stirring at pH 12. ...
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J. Braz. Chem. Soc. vol.26 número3
... by a rapid one-step reaction using the microwave-assisted hydrothermal (MAH) method. Their photocatalytic properties towards the degradation of the organic dye Ponceau 4R under artificial UV-Vis ...
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Simultaneous production of impurity-free water and magnetite from steel pickling liquors by microwave-hydrothermal processing
... approximately 76% of original spent pickling liquor was prepared. Microwave-assisted hydrothermal experi- ments were performed using a Milestone MLS-1200 MEGA microwave digestion system (2.45 ...
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Estudo e desenvolvimento de materiais para aplicações em células solares híbridas
... using microwave assisted hydrothermal technique in different reaction condition, such as pH, temperature and time, in order to obtain well defined nano-sized morphologies, high yields and high ...
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Titanato de Bário e cálcio: influência da substituição parcial d modificador de rede nas propriedades fotoluminescentes
... (Microwave Assisted Hydrothermal ou MAH) vem se destacando na obtenção de partículas nanométricas com tempos e temperaturas de síntese relativamente curtas (FISCHER, ...
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Braz. J. Pharm. Sci. vol.53 número3
... domestic microwave oven (micro SYNTH, 2450 MHz) was modiied for MAHD ...the microwave oven was 29 × 37 × 40 ...the microwave oven cavity and a condenser was used on the top, outside the ...The ...
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J. Braz. Chem. Soc. vol.25 número8
... acetonitrile, zinc powder (0.8 g, 12 mmol), dimethyl itaconate (2 g, 13 mmol), an aldehyde or a ketone (2.5 mmol), and the aryl bromide (4 mmol). After brief stirring at room temperature, cobalt bromide (0.13 g, 0.6 ...
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Essential Oils Extracted Using Microwave-Assisted Hydrodistillation from Aerial Parts of Eleven Artemisia Species: Chemical Compositions and Diversities in Different Geographical Regions of Iran
... a microwave oven from Samsung, South Korea, regulated at a frequency of 2450 MHz and having a sufficient internal capacity to house the glass Clevenger set-up, was employed and was connected to the condenser ...
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Desenvolvimento de métodos de extração e derivatização para análises cromatográficas dos ácidos biliares e aminoácidos em estudos metabolômicos
... This paper presents a mass fragmentation study and microwave-assisted derivatization (MAD) for the silylation of bile acids (cholic and ursodesoxycholic) prior to gas chromatography and [r] ...
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EXPERIMENTAL OVERVIEW Solvents, reagents, and fatty material
... included microwave (MW)-assisted, base-catalyzed transesterification of CF and SO with sodium ethoxide/ethanol, followed by analysis of the resulting biofuels (mixtures of fatty acid ethyl esters) by gas ...
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J. Braz. Chem. Soc. vol.17 número1
... In this paper we evaluate sample preparation procedures based on the use of ultrasonication and microwave assisted digestion of honey prior to simultaneous determination of inorganic constituents in honey ...
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Production of Sr-deficient bismuth tantalates from microwave–hydrothermal derived precursors: Structural and dielectric properties
... In order to understand the conduction process in the Sr-deficient SBT ceramics obtained from microwave– hydrothermal precursors, the temperature dependence of the ac conductivity at various frequencies was ...
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Mat. Res. vol.16 número1
... of β-Mn 2 V 2 O 7 microtubes with a length of 15-25 µm, 2.5-3.5 µm external diameter and 0.4 µm wall thickness, as well as β-Mn 2 V 2 O 7 hollow microspheres in a suitable molar ratio of NH 3 VO 3 and MnCO 3 powders via ...
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Al TiC Al Ti Al C
... through microwave-assisted sintering process on the electrical, thermal and mechanical properties and also the microstructure of the Al-TiC composites, the samples were prepared according to Table 1 and ...
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Microwave Accelerated Green Synthesis of Stable Silver Nanoparticles with Eucalyptus globulus Leaf Extract and Their Antibacterial and Antibiofilm Activity on Clinical Isolates.
... of microwave assisted green synthesis significantly accelerates the process of ELE-AgNPs ...with microwave treatment in an aque- ous solution with the time-dependent change in the onset absorbance at ...
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