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Preparation Technology of High purity and High Dispersion Platinum Powder by Chemical Liquid Phase Reduction Method
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Sheng TAN1, 2, Wanning ZHANG1, 2, Lei LIAO1, 2, Xiangrong XIANG1, 2, Shihao WAN1, 2, Yi YUAN1, 2, Yucheng XIAO1, 2
Hydrometallurgy of China | 2026, 45(4) : 565 - 573
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Hydrometallurgy of China | 2026, 45(4): 565-573
• Experiment Research •
Preparation Technology of High purity and High Dispersion Platinum Powder by Chemical Liquid Phase Reduction Method
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Sheng TAN1, 2, Wanning ZHANG1, 2, Lei LIAO1, 2, Xiangrong XIANG1, 2, Shihao WAN1, 2, Yi YUAN1, 2, Yucheng XIAO1, 2
Affiliations
  • 1.Chongqing Materials Research Institute Co., Ltd., Chongqing　400707, China
  • 2.National Engineering Research Center for Instrument Functional Materials, Chongqing　400707, China
Published: 2026-08-20 doi: 10.13355/j.cnki.sfyj.2026.04.013
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In order to accurately control the reduction, nucleation and growth process of platinum atoms in the preparation of high purity and high dispersion platinum powder, high purity and high dispersion platinum powder was prepared by chemical liquid phase reduction method with Na2PtCl6 aqueous solution as precursor, N2H4·H2O as reducing agent and PVP as dispersant. The effects of temperature, reaction system and feeding method on the morphology, particle size distribution and dispersion of platinum powder were investigated. The results show that the nucleation and growth process of platinum atoms can be effectively separated by using PVP as the dispersion system and Na2PtCl6 and N2H4·H2O as the synchronous feeding method at 80 ℃. The high purity and high dispersion micron platinum powder with good dispersion and narrow particle size distribution (D90-D10=1.18 μm) is prepared. This method provides a reliable theoretical basis and technical path for the stable and mass production of high purity and high dispersion micron platinum powder.

platinum powder  /  preparation  /  chemical liquid phase method  /  reduction  /  dispersion  /  high purity
Sheng TAN, Wanning ZHANG, Lei LIAO, Xiangrong XIANG, Shihao WAN, Yi YUAN, Yucheng XIAO. Preparation Technology of High purity and High Dispersion Platinum Powder by Chemical Liquid Phase Reduction Method[J]. Hydrometallurgy of China, 2026 , 45 (4) : 565 -573 . DOI: 10.13355/j.cnki.sfyj.2026.04.013
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Year 2026 volume 45 Issue 4
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Article Info
doi: 10.13355/j.cnki.sfyj.2026.04.013
  • Receive Date：2026-01-27
  • Online Date：2026-09-11
  • Published：2026-08-20
Article Data
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History
  • Received：2026-01-27
  • Revised：2026-04-07
Funding
Affiliations
    1.Chongqing Materials Research Institute Co., Ltd., Chongqing　400707, China
    2.National Engineering Research Center for Instrument Functional Materials, Chongqing　400707, China
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https://castjournals.cast.org.cn/joweb/sfyj/EN/10.13355/j.cnki.sfyj.2026.04.013
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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