搜索结果: 1-7 共查到“有机化学 alumina”相关记录7条 . 查询时间(0.062 秒)
Solid phase extraction of copper, nickel, and cobalt in water samples after extraction using surfactant coated alumina modified with indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption spectrometry
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
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2010/12/3
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
'Solid phase extraction of Copper, Nickel and Cobalt in water samples after extraction using surfactant Coated alumina modified with Indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
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2010/10/19
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
An efficient one pot synthesis of 1,4-dihydropyridines using alumina sulfuric acid (ASA) catalyst
Hantzsch 1 4-dihydropyridines ASA catalyst one pot conversion
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2010/4/8
An efficient synthetic method for 1,4-dihydropyridines has been developed using 3 or 4 component condensation reactions of aldehydes, 1,3-dicarbonyl compounds, and ammonium acetate in the presence of ...
Investigation of the fuel properties of biodiesel produced over an alumina-based solid catalyst
Biodiesel fuel properties transesterification heterogeneous basic catalyst
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2010/4/9
The present study investigated the transesterification process used in the production of canola oil methyl ester from canola oil and methanol over synthesized KF/Al2O3 catalysts. Different amounts of ...
Development of Alumina Supported Alkaline Catalysts Used for Biodiesel Production
Biodiesel canola oil heterogeneous catalyst Al2O3 supported catalysts
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2010/4/9
The transesterification of canola oil with methanol was studied in a heterogeneous system, using g-Al2O3 supported alkaline catalysts. All the catalysts were prepared by incipient-wetness impregnation...
On the Structure Sensitivity of CO Oxidation on Alumina Supported Pd--Pt Bimetallic Catalysts
CO oxidation bimetallic catalysts palladium platinum surface segregation Monte Carlo simulation
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2010/4/9
CO oxidation reaction was studied over monometallic and bimetallic palladium--platinum catalysts at 25:75, 50:50, and 75:25 Pd:Pt atomic fractions co-impregnated over a g -Al2O3 support. The size of t...
Solvent, Temperature and Concentration Effects on the Adsorption of Poly(n-Butyl Methacrylate) on Alumina from Solutions
poly(n-butyl methacrylate) solubility parameter alumina adsorption solvent
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2010/4/22
Adsorption of poly(n-butyl methacrylate) (PnBMA) on alumina from solution was studied by UV and FT-IR Photoacoustic Spectroscopy techniques. The effects of the solvent, temperature, concentration, and...