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Citation: Zheng Hua-Gui, Li Ya-Dong, Li Cheng-Wei, Zhao Hua-Zhang, Liu Yuan-Hui, Qian Yi-Tai. Prepration of Copper Colloid and it's Absorption Spectrum[J]. Acta Physico-Chimica Sinica, ;1997, 13(11): 974-977. doi: 10.3866/PKU.WHXB19971104 shu

Prepration of Copper Colloid and it's Absorption Spectrum

1.
Department of Chemistry,University of Science and Technology of China Hefei,230026;Structure Research Laboratory Academia Sinica,Hefei 230026

Received Date: 6 December 1996
Available Online: 15 November 1997

The colloid of pure copper was prepared from the solution of copper sulfate with hydrazine by controlling the condition of reductive reaction. The effect of the concentration of surfactant, sodium dodecyl on the size, shape and agglomeration was studied by using UV-Vis, spectrum. It's Shown that the surfactant can effectively prevent the agglomeration of particles and favor the formation of spherical particles smaller than 4nm when the concentration of surfactant is high enough.
- Copper colloid,
- Control synthesis,
- UV-Vis spectrum
  ,
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