| Chemical Frequencymetry——Theory and Application |
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| 引用本文： | 姚守拙,谭胜连,聂利华.Chemical Frequencymetry——Theory and Application[J].中国科学B辑(英文版),1993(7). |
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| 作者姓名： | 姚守拙 谭胜连 聂利华 |
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| 作者单位： | New Material Research Institute,Hunan University,Changsha 410082,PRC,New Material Research Institute,Hunan University,Changsha 410082,PRC,New Material Research Institute,Hunan University,Changsha 410082,PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China. |
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| 摘 要： | A new theory named "Chemical frequencymetry" is proposed. It is based on chemical reactions followed by piezoelectric monitoring. The frequency shift caused by the chemical reaction is related to the fundamental frequency (f) and overtone order (h) of the crystal, the formula weight (m) and diffusion coefficient (D) of the active chemical species, the diffusion layer thickness (δ), the response time(t), the concentration of the determinant (C_A) and the stoichiometric factor of the chemical reaction (k) according to the formulaThe technique has been applied to the determination of analgin as an example of its application.
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