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1999•Journal of Functional BiomaterialsOpen access

Research of Preparation of Ultrafine Nickel Powders bySolution Reduction Method

Zhai Yu-chun

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Abstract

By using NiSO46H2O as material,N2H4H2O as reductant,NaOH adjusting pH value of the solution,ultrafine nickel powders can be prepared.The condition of reaction is as follows:concentration of Ni2+ is 1.0molL-1,N2H4H2O/Ni2+ is 2.0,NaOH/Ni2+ is 1.0 and reaction temperature is 90.The powders prepared were characterized by TEM,XRD,IAS,and BET method.The results show that the nickel powders prepared are spherical and average size is 62nm with narrow size distribution.The amount of NaOH affects the purity of nickel powders.

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What this paper is about

By using NiSO46H2O as material,N2H4H2O as reductant,NaOH adjusting pH value of the solution,ultrafine nickel powders can be prepared.The condition of reaction is as follows:concentration of Ni2+ is 1.0molL-1,N2H4H2O/Ni2+ is 2.0,NaOH/Ni2+ is 1.0 and reaction temperature is 90.The powders prepared were characterized by TEM,XRD,IAS,and BET method.The results show that the nickel powders prepared are spherical and average size is 62nm with narrow size distribution.The amount of NaOH affects the purity of nickel powders.

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Available abstract

By using NiSO46H2O as material,N2H4H2O as reductant,NaOH adjusting pH value of the solution,ultrafine nickel powders can be prepared.The condition of reaction is as follows:concentration of Ni2+ is 1.0molL-1,N2H4H2O/Ni2+ is 2.0,NaOH/Ni2+ is 1.0 and reaction temperature is 90.The powders prepared were characterized by TEM,XRD,IAS,and BET method.The results show that the nickel powders prepared are spherical and average size is 62nm with narrow size distribution.The amount of NaOH affects the purity of nickel powders.

Key concepts: Nickel, Materials science, Nuclear chemistry, Metallurgy, Chemical engineering, Inorganic chemistry, Chemistry, Engineering

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