Application of the pH-imaging sensor to determining the diffusion coefficients of ions in electrolytic solutions

Tatsuo Yoshinobu; Tetsuro Harada; Hiroshi Iwasaki

doi:10.1143/jjap.39.l318

Application of the pH-imaging sensor to determining the diffusion coefficients of ions in electrolytic solutions

Tatsuo Yoshinobu, Tetsuro Harada, Hiroshi Iwasaki

MEN - Biomedical Engineering

Osaka University

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

The pH-imaging sensor is applied to visualization of ionic diffusion in an electrochemical system. Redistribution of the pH value due to diffusion of ions after electrolysis is measured to determine the diffusion coefficients of anions and cations. Dependence of the diffusion coefficient on the molecular weight of ions is investigated. Applicability of the pH-imaging sensor to quantitative analysis of dynamics in a chemical system is demonstrated.

Original language	English
Pages (from-to)	L318-L320
Journal	Japanese Journal of Applied Physics
Volume	39
Issue number	4 A
DOIs	https://doi.org/10.1143/jjap.39.l318
Publication status	Published - 2000

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10.1143/jjap.39.l318

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abstract = "The pH-imaging sensor is applied to visualization of ionic diffusion in an electrochemical system. Redistribution of the pH value due to diffusion of ions after electrolysis is measured to determine the diffusion coefficients of anions and cations. Dependence of the diffusion coefficient on the molecular weight of ions is investigated. Applicability of the pH-imaging sensor to quantitative analysis of dynamics in a chemical system is demonstrated.",

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AU - Harada, Tetsuro

AU - Iwasaki, Hiroshi

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Y1 - 2000

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AB - The pH-imaging sensor is applied to visualization of ionic diffusion in an electrochemical system. Redistribution of the pH value due to diffusion of ions after electrolysis is measured to determine the diffusion coefficients of anions and cations. Dependence of the diffusion coefficient on the molecular weight of ions is investigated. Applicability of the pH-imaging sensor to quantitative analysis of dynamics in a chemical system is demonstrated.

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Application of the pH-imaging sensor to determining the diffusion coefficients of ions in electrolytic solutions

Abstract

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