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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 17, Number 1
BKCSDE 17(1)
January 20, 1996

Title	Construction of Low Noise Electrochemical Quartz Crystal Microbalance
Author	Euijin Hwang*, Youngran Lim
Keywords
Abstract	A new oscillator for electrochemical quartz crystal microbalance (EQCM) was developed by using an operational amplifier without any LC component. The home-made EQCM using this oscillator showed only 0.02 Hz frequency noise at 0.3 s gate time when a 6 MHz AT-cut crystal was used. Pb underpotential deposition on gold substrate in nitric acid media was examined to demonstrate the performance of this EQCM. The derivative of frequency change could be obtained without averaging multiple scans.
Page	39 - 42
Full Text	PDF

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