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Citation: KANG Li-Ping, LIU Xiao-Qing, SUN Jing, ZHANG Li-Chun, LIU Zong-Huai. Fabrication of α-MnO₂ with a Tunnel Structure and Selective Adsorption for K⁺ Ions[J]. Chinese Journal of Applied Chemistry, ;2009, 26(4): 443-446. shu

Fabrication of α-MnO₂ with a Tunnel Structure and Selective Adsorption for K⁺ Ions

1.
Key Laboratory of Applied Surface and Colloid Chemistry(Shaanxi Normal University), Ministry of Education, School of Chemistry and Materials Science, Xi'an 710062

Corresponding author: LIU Zong-Huai,
Received Date: 11 April 2008
Available Online: 30 June 2008
Fund Project: 西安市科技计划项目(YF07056) (YF07056)

α-MnO₂ with a tunnel structure was fabricated via a hydrothermal oxidation-reduction method.When α-MnO₂ was treated in a 0.5 mol/L HCl solution for 4 days,it was transformed into H-α-MnO₂.The obtained H-α-MnO₂ sample was soaked in a 0.9% NaCl solution for 4 days.92% of K⁺ ions in the solution was selectively adsorbed,while the structure of α-MnO₂ was not changed.
- α-MnO₂,
- ion-exchange,
- K⁺ ions,
- adsorption
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Fabrication of α-MnO2 with a Tunnel Structure and Selective Adsorption for K+ Ions

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通讯作者: 陈斌, bchen63@163.com

Fabrication of α-MnO₂ with a Tunnel Structure and Selective Adsorption for K⁺ Ions