Citation: Hui Yan LIU, Qing Ji XIE. Simultaneous Impedance Analysis of Three Parallel Piezoelectric Quartz Crystals for Electrochemical Depletion Layer Effect Study[J]. Chinese Chemical Letters, ;2004, 15(5): 563-566. shu

Simultaneous Impedance Analysis of Three Parallel Piezoelectric Quartz Crystals for Electrochemical Depletion Layer Effect Study

Hui Yan LIU ^1,2, ,
Qing Ji XIE ¹

1.
College of Chemistry & Chemical Engineering, Hunan Normal University, Changsha 410081;
2.
Products & Merchandise Quality Supervision Testing Institute of Hunan Province, Changsha 410007

Received Date: 16 April 2003

Fund Project: This work was supported by the National Natural Science Foundation of China and the Foundation of the Ministry of Education (MOE) of China.

Simultaneous impedance analysis of three one-face sealed resonating piezoelectric quartz crystals (PQCs) in parallel is proposed through admittance measurements of the three PQCs on one impedance analyzer and then non-linear fitting according to the parallel combination of three Butterworth-Van Dyke circuits. Responses of each PQC obtained from the three-PQC mode agreed well with those measured separately in series sucrose aqueous solutions. This novel method has been used for the study of depletion-layer effect during ferri-/ferrocyanide electrochemical reactions.
- Three-PQC impedance analysis,
- electrochemical depletion layer effect,
- ferri-/ferrocyanide
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