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Citation: Zhang Li, Cheng Hu-Min, Ma Ji-Ming. Preparation of NaCl Nanoparticles in Nonaqueous Reverse Microemulsion[J]. Acta Physico-Chimica Sinica, ;2002, 18(01): 79-81. doi: 10.3866/PKU.WHXB20020118 shu

Preparation of NaCl Nanoparticles in Nonaqueous Reverse Microemulsion

1.
College of Chemistry and Molecular Engineering,Peking University,Beijing　100871

Received Date: 16 July 2001
Available Online: 15 January 2002

Watersoluble NaCl nanoparticles were prepared by reacting NaAc with HCl in ethanol/Brij 30/hexadecane microemulsion.The particles obtained are crystalline spheres with an average particle size of about 60 nm.In the case of using formamide/AOT/nheptane microemulsion as the reaction medium,NaCl particles can only be obtained by adding precipitant after the reaction.The latter particles are crystalline cubes with a much larger particle size(1 μm).The results show that nonaqueous reverse microemulsion may provide a new medium for the preparation of watersoluble nanoparticles and the choice of the polar solvent is critical to obtain nanosized materials.
- Nanoparticles;Nonaqueous microemulsion;Surfactant;Brij 30;NaCl
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