Document Detail


Characteristics of the series resonant-frequency shift of a quartz crystal microbalance in electrolyte solutions.
MedLine Citation:
PMID:  17003867     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We report the novel characteristics of the series resonant-frequency shift, DeltaF, of a one-face sealed quartz crystal microbalance (QCM) in solutions of monovalent electrolytes and divalent electrolytes. In the present study, we used NaCl, KCl, LiCl, NaNO3 and CH3COONa as monovalent electrolytes, and MgCl2, CaCl2, MgSO4 and Na2SO4 as divalent electrolytes. These experiments reveal that, in all the solutions, the DeltaF values vary linearly with an increase in the square root of the density-viscosity product of the solutions, and the immersion angle dependence of DeltaF appears. Moreover, we have found that the intercept values of DeltaF are dependent only on the cation species, and that the slope values of DeltaF with the viscosity and density of the solutions are related only to the valence of ions. We also suggest that the DeltaF values are independent of anion species, conductivity and permittivity of the solutions.
Authors:
Minoru Yoshimoto; Shin Tokimura; Shigeru Kurosawa
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-08-31
Journal Detail:
Title:  The Analyst     Volume:  131     ISSN:  0003-2654     ISO Abbreviation:  Analyst     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-09-27     Completed Date:  2007-09-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372652     Medline TA:  Analyst     Country:  England    
Other Details:
Languages:  eng     Pagination:  1175-82     Citation Subset:  IM    
Affiliation:
Department of Bioengineering, Faculty of Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima, 890-0065, Japan.
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MeSH Terms
Descriptor/Qualifier:
Crystallization
Electric Conductivity
Electrochemistry / methods
Electrolytes / chemistry*
Models, Chemical
Quartz / chemistry*
Solutions
Viscosity
Chemical
Reg. No./Substance:
0/Electrolytes; 0/Solutions; 14808-60-7/Quartz

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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