Drastic Dependence of the pH Sensitivity of Fe2O3-Bi2O3-B2O3 Hydrophobic Glasses with Composition

被引：7

作者：

Hashimoto, Tadanori ^{[1
]}

Murayama, Fumiya ^{[1
]}

Nakao, Masashi ^{[1
]}

Nasu, Hiroyuki ^{[1
]}

Ishihara, Atsushi ^{[1
]}

Nishio, Yuji ^{[2
]}

机构：

[1] Mie Univ, Grad Sch Engn, Div Chem Mat, Tsu, Mie 5148507, Japan

[2] HORIBA Ltd, Minami Ku, Kyoto 6018510, Japan

来源：

MATERIALS | 2015年 / 8卷 / 12期

关键词：

Fe2O3-Bi2O3-B2O3; glasses; pH electrodes; hydrophobicity; HIGH REFRACTIVE-INDEXES; MOLDING GLASSES;

D O I：

10.3390/ma8125480

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Fe2O3-Bi2O3-B2O3 (FeBiB) glasses were developed as novel pH responsive hydrophobic glasses. The influence of the glass composition on the pH sensitivity of FeBiB glasses was investigated. The pH sensitivity drastically decreased with decreasing B2O3 content. A moderate amount of Fe2O3 and a small amount of B2O3 respectively produces bulk electronic conduction and a pH response on glass surfaces. Because the remaining components of the glass can be selected freely, this discovery could prove very useful in developing novel pH glass electrodes that are self-cleaning and resist fouling.

引用

页码：8624 / 8629

页数：6

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