Citation: Shu Ping BI, Yi GONG, Lei YE, Jing LI. Adsorption Chronopotentiometric Determination of Aluminum in Drinking Waters by Cupferron[J]. Chinese Chemical Letters, ;1998, 9(10): 949-951. shu

Adsorption Chronopotentiometric Determination of Aluminum in Drinking Waters by Cupferron

Shu Ping BI ¹ ,
Yi GONG ¹ ,
Lei YE ¹ ,
Jing LI ²

1.
Department of Chemistry, Naming University, Naming 210093;
2.
State Pilot Laboratory of Coast and Island Exploitation, Naming University, Naming 210093

Received Date: 9 February 1998

Fund Project: This work is supported by the Natural Science Foundation of China & Jiangsu Province, Research Funding of the Electrochemistry Open Laboratory of Changchun Applied Chemistry Institute of Chinese Academy of Sciences and the Analytical Center of Nanjing University. The authors thank Profs. Hongyuan Chen, Hongjun Jin and Dayuan Yang for their encouragements and help. Part of this project is also supported by Nanjing Municipal Government.

A novel and very sensitive electroanalytical method, based on the adsorption chronopotentiometry in the presence of cupferron,was developed for the determination of trace levels of aluminum. The working linear range is 2×lO^-9-9×lO^-7 mol/L and the detection limit is 1×1O^-9 mol/L. It has been successfully applied to the determination of A1 in various drinking-water samples.
- aluminum,
- cupferron,
- adsorption chronoptentiometry,
- drinking waters
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