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Citation: Wang Xin, Lu Lude, Yang Xujie, Chen Zhijin, Song Qize. STUDIES ON SCHIFF BASE COMPLEXES Ⅶ.COORDINATION EFFECT OF SCHIFF BASE SUPPORTED ON SILICA[J]. Chinese Journal of Applied Chemistry, ;1990, 7(4): 62-64. shu

STUDIES ON SCHIFF BASE COMPLEXES Ⅶ.COORDINATION EFFECT OF SCHIFF BASE SUPPORTED ON SILICA

1.
Modern Chemistry Laboratory, East China Institute of Technology, Nanjing 210014

Received Date: 11 October 1989
Available Online: 10 January 1990
Fund Project:

Several Schiff base supported silicas have been prepared and their adsorption capacities for metal ions were measured. compared to the Schiff-base-free silica the adsorption capacity of the functionalized ones were greatly improved in the order:Cu²⁺ > Co²⁺ > Cd²⁺ > Pb²⁺.The Nls photoelectron spectrum of Cu²⁺ complex with surface Schiff base was quite different from that of Cu²⁺ ion-free surface Schiff base. Owing to the more extensive back-bonding in the metal-coordinated-N=C-group, the Nls binding energy is far lower for the coordinated group than for the free one.
- Silica,
- Schiff base,
- adsorption capacity
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