منابع مشابه
Preparation and Study of Bismuth Oxide Doped and co-Doped with Cobalt(III) and Holmium(III) via Sol-Gel Method
In this research work the solid-solutions of (Bi2O3)1-x (Co2O3)x, [x= 0.05, 0.1] (1), (Bi2O3)1-x (Ho2O3) x, [x= 0.025, 0.05] (2), and (Bi2O3)1-x-y (Co2O3)x (Ho2O3)y</su...
متن کاملWj Gaseous Metaborates . Iii . the Beryllium Oxide - Boron Oxide System
Gaseous beryllium metaborate, Be(B02)2,has been identified mass spectrometrically in the vapor above the beryllium-boron-oxygen system. A st-jdy of this system by differential thermal analysis» and Knudsen effusion using a vacuum balance and mass spectrometer, showt-i solid DeoBo0, to be the only condensed mixed oxide phase present with a melting point of 1495 ± 5C. The following thermodynamic ...
متن کاملsynthesis of zinc oxide and chromium (iii) oxide nanoparticles with diverse
the use of an inorganic phase in water-in-oil (w/o) microemulsion has received considerable attention recently for preparing metal oxide nanoparticles. this is a technique, which allows preparation of ultrafine metal oxide nanoparticles within the size range 40 to 80 nm. preparation of nano zno and cr 2 o 3 studied, investigated in the inverse microemulsion system. therefore the nuc...
متن کاملpreparation and study of bismuth oxide doped and co-doped with cobalt(iii) and holmium(iii) via sol-gel method
in this research work the solid-solutions of (bi2o3)1-x (co2o3)x, [x= 0.05, 0.1] (1), (bi2o3)1-x (ho2o3) x, [x= 0.025, 0.05] (2), and (bi2o3)1-x-y (co2o3)x (ho2o3)y, [x=0.05] ; [y= 0.01, 0.02] (3) have been synthesized using sol-gel method. the effects of transition metal oxides doping on the crystallization and phase transition of the bi2o3 were discussed by x-ray diffraction (xrd). the xrd p...
متن کاملSynthesis and Characterization of Iron Oxide Nanoparticles by Thermal Decomposition Method of Iron (III) Chelates
Magnetic iron oxide nanoparticles have numerous applications in the biomedical field. This paper reports the preparation and properties of iron oxide nanoparticles synthesised by thermal decomposition method from iron chelates. The iron oxide nanoparticles were characterized by FTIR, powder XRD, VSM, SEM and TEM techniques. FTIR and powder XRD studies show that iron oxide was fo...
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ژورنال
عنوان ژورنال: The Journal of the Society of Chemical Industry, Japan
سال: 1952
ISSN: 0023-2734,2185-0860
DOI: 10.1246/nikkashi1898.55.219