NEW ONLINE MASS-SPECTROMETER SYSTEM DESIGNED FOR PLATINUM SINGLE-CRYSTAL ELECTRODE AND ELECTROREDUCTION OF ACETYLENE

被引：51

作者：

GAO, YZ ^{[1
]}

TSUJI, H ^{[1
]}

HATTORI, H ^{[1
]}

KITA, H ^{[1
]}

机构：

[1] HOKKAIDO UNIV,GRAD SCH ENVIRONM EARTH SCI,DIV MAT SCI,SAPPORO,HOKKAIDO 060,JAPAN

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1994年 / 372卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(93)03291-V

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new on-line mass spectrometer system was constructed which enabled the mass signal-potential profile to be obtained on a small single-crystal electrode in the dipping state. The gas inlet for the mass spectrometer was a pin-hole (a few micrometers in diameter) covered with a Teflon film and in contact with the center of the electrode surface. This system resulted in a high signal-to-noise ratio. No modification of the cell was required. The new instrument was used to investigate the electroreduction of acetylene and showed that Pt(110) has a high activity compared with Pt(111) and Pt(100).

引用

页码：195 / 200

页数：6

共 8 条

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