Evaluation of pH of water between solid surfaces using surface forces apparatus fluorescence spectroscopy

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Fluorescence spectrum measurement of fluorescein was performed for monitoring the pH of water between mica and silica surfaces by varying the surface separation (D) using a surface forces apparatus (SFA) fluorescence spectroscopy. The pH value of water between silica surfaces decreased drastically with a decrease in D to values below 1200 nm, which was longer than that in the case of mica (600 nm). This pH decrease was attributed to concentrated proton in electric double layer of negatively charged surfaces.

本文言語English
ページ(範囲)1282-1284
ページ数3
ジャーナルChemistry Letters
41
10
DOI
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • 化学 (全般)

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