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Citation: HUI Yong-Qing, ZHONG Zhi-Jing, HE Xiao-Bo, DENG Yi. Preparation of Pb-MIPs and Its Application to Determination of Trace Amounts of Lead[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 721-725. shu

Preparation of Pb-MIPs and Its Application to Determination of Trace Amounts of Lead

1.
Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621900

Corresponding author: ZHONG Zhi-Jing,
Received Date: 30 May 2008
Available Online: 27 August 2008
Fund Project: 中国工程物理研究院科学技术基金资助项目(20060536) (20060536)

With lead ion(Ⅱ) as the template,sodium vinylbenzoic-acid as the functional monomer and divinyl benzene as the cross-linking agent,lead molecularly imprinted polymers(Pb-MIPs) were synthesized with preassembling and surface-imprinting technology.The structure of Pb-MIPs was characterized with FT-IR spectroscopy and specific surface area determination,and the adsorption properties and selective recognition of Pb-MIPs for lead ions were also studied.The results show that Pb-MIPs has a high adsorption capacity and good selective recognition for lead ions,and the maximum adsorption capacity of Pb-MIPs is 725 μg/g.Pb-MIPs was applied to the determination of trace lead in water samples by graphite furnace atomic absorption spectrometry,where if showed a significant improvement on the detection.
- molecular imprinting polymer,
- sodium vinylbenzoic-acid,
- adsorption of lead ion(Ⅱ),
- selective recognition
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Preparation of Pb-MIPs and Its Application to Determination of Trace Amounts of Lead

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com