Citation: She Ying DONG, Ke Qi YU, Hong Sheng TANG, Hong GAO. The Investigation of Oscillographic Chronopotentiometry at Silver Disk Electrode and Its Mechanism[J]. Chinese Chemical Letters, ;2000, 11(7): 615-616. shu

The Investigation of Oscillographic Chronopotentiometry at Silver Disk Electrode and Its Mechanism

a Institute of Analytical Science, Northwest University, Xi'an 710069;
b Graduate School, University of Science & TecnoLogy of China, Beijing 100039

Received Date: 28 December 1999
Revised Date: 1 April 2000

A new method of oscillographic chronopotentiometry at silver disk electrode was investigated.By using it, a series of ions such as Pb, In, Cr, Tl, Bi etc. were determined. The detection limits are two or three orders of magnitude lower than those by oscillographic chronopotentiometry at mercury electrode. The proposed method is characterized by fine sensitivity、stable oscillogram and no mercury. The research on the mechanism of this method shows that these achievements are caused by the characterristics of silver electroxidation and electroreduction and the oscillographic chronopotentiometry (OC).
- Silver disk electrode,
- oscillographic determination,
- oscillographic chrono-potentiometry
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