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Citation: SHEN De-Jun, ZHANG Chao-Ping, LUO Yu-Ping, GOU Hua. Preparation and Properties of Gelatin-γ-iron Oxide Composite Nanoparticles[J]. Chinese Journal of Applied Chemistry, ;2002, 19(2): 121-125. shu

Preparation and Properties of Gelatin-γ-iron Oxide Composite Nanoparticles

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a Department of Biochemistry, Guiyang Higher Normal School, Guiyang;
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b Department of Chemistry, Guizhou University, Guiyang 550025;
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c Department of Chemistry, Zunyi Normal College, Zunyi

Corresponding author: ZHANG Chao-Ping,
Received Date: 19 July 2001
Available Online: 14 November 2001
Fund Project: 国家自然科学基金(19872021) (19872021)贵州省科学基金[2001(3028)],贵州大学科研基金(2001.1307)资助课题 (3028)],贵州大学科研基金(2001.1307)

Nanoparticles of gelatin-γ-iron oxide composite have been prepared by a reverse microemulsion chemical tailoring method.The XRD?SEM?TEM and IR results showed that the ultrafine particles sized in 15 nm were coated by gelatin spheroid, sized in 1.2~3.2 μm and one spheroid contained about 80~213 iron oxide particles. The specific saturation magnetization of particles was es=30.34/(4^c)×10³A/m, the coercive force H_c=6 207 A/m and residual magnetism B_r=2.94/(4^c)×10³ A/m. All these indicate that the composite nanoparticles exhibit hard magnet properties.
- γ-iron oxide,
- composite nanoparticle,
- gelatin reverse microemulsion,
- preparation,
- property
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