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The Study of the Hydrolysis of the Phosphate Diester Catalyzed by an Anion Metallomicelle of Ce3+-Diethylenetriamine

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Abstract:

The catalytic hydrolysis of Bis(p-nitrophenyl) phosphate ester (BNPP) in the metallomicelle made up of Ce3+-diethylenetriamine and LSS (N-lauroyl sarcosinate) was investigated by UV/VIS method. The effect of the catalytic efficiency and stability of the system was studied under the different conditions. The results indicated that the catalytic system exhibited high activity, stability and reproducibility in the BNPP catalytic hydrolysis under proper proportion of Ce3+ ion and diethylenetriamine, pH and temperature when the concentration of LSS is higher than its CMC (critical micelle concentration). The results also showed that the active species is the complex made up of Ce3+ ion and diethylenetriamine.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

353-356

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.353

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Online since:

July 2012

Authors:

Shu Lan Cai, Fa Mei Feng, Tao Wang, Xiu Lan Zhang

Keywords:

Anion Metallomicelle, Catalysis, Hydrolysis, Phosphate Diester

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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