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A Novel Chromogenic System of Pb2+ - 4, 5- Dibromo- o- Nitrophenylfluorone in the Coexistence of Carbon Nanotubes and CTMAB

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Abstract:

A novel chromogenic system of Pb2+ with 4, 5- dibromo- o- nitrophenylfluorone (DBONPF) was developed by the synergetic effect of carboxylic carbon nanotubes (c-CNTs) and cationic surfactants CTMAB. The absorption of Pb2+ by DBONPF can be improved by the addition of a nano-material and a surfactant. Comparative experiments proved that the absorption of the complex of Pb- DBONPF was increased by 153.9% due to the conjugated system of the c-CNTs and the solubilization of CTMAB. The proposed method was applied to the determination of pb2+ in cosmetics satisfactorily

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Periodical:

Advanced Materials Research (Volume 600)

Pages:

120-123

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.600.120

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Online since:

November 2012

Authors:

Kai Zhao, De Ling Chi, Fei Fei Zhang, Zong Hua Wang

Keywords:

Carbon Nanotube (CN), Chromogenic System, Enhancing Agent, Lead, Synergetic Effect

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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