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Preparation and characterization of ultrafine powders of ruthenium by the γ-radiation method

✍ Scribed by Zhu Ying Jie; Man Yitai; Huang Hai; Zhang Manwei; Yang Li

Publisher
Springer
Year
1996
Tongue
English
Weight
687 KB
Volume
15
Category
Article
ISSN
0261-8028

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✍ Xiaoli Xi; Zuoren Nie; Yabao Jiang; Xiangyang Xu; Tieyong Zuo 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 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 µm. In the cobalt pow