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Determination of the activity of ultrafine nickel and cobalt powders by scanning dilatometry

โœ Scribed by M. E. Gurevich; V. V. Zholud'; L. N. Larikov

Publisher
Springer
Year
1988
Tongue
English
Weight
189 KB
Volume
27
Category
Article
ISSN
1573-9066

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Preparation and characterization of ultr
Preparation and characterization of ultrafine cobalt powders and supported cobalt catalysts by freeze-drying
โœ Xiaoli Xi; Zuoren Nie; Yabao Jiang; Xiangyang Xu; Tieyong Zuo ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 720 KB

Ultrafine cobalt powders have been prepared by the freeze-drying method and supported cobalt catalysts have been prepared by a new freeze-drying immersion method. The results of XRD and SEM showed that the precursors were amorphous and most were massive with a size range of 2-5 ยตm. In the cobalt pow