Development of Chemical Sensor Responding to Phase Shift of Interference Using Novel Cell Consisting of Two Glass Plates Placed at Wedge Conformation

• YOSHIDOME Toshifumi

  Graduate School of Science and Engineering, Kagoshima University

• SARNO Brian John

  Graduate School of Science and Engineering, Kagoshima University

• FUJITA Yuki

  Department of Applied Chemistry and Chemical Engineering, Kagoshima University

• OHASHI Takuya

  Department of Applied Chemistry and Chemical Engineering, Kagoshima University

• MITSUSHIO Masaru

  Graduate School of Science and Engineering, Kagoshima University

• HIGO Morihide

  Graduate School of Science and Engineering, Kagoshima University

Bibliographic Information

Other Title

• 新規なくさび形配置二枚ガラスセルでの光干渉における位相変化を信号とする化学分析用計測器の開発
• シンキ ナ クサビ ケイ ハイチ ニマイ ガラスセル デ ノ ヒカリ カンショウ ニ オケル イソウ ヘンカ オ シンゴウ ト スル カガク ブンセキヨウ ケイソクキ ノ カイハツ

Abstract

We carried out the development of a general-purpose optical interference-type chemical instrument that responds to the refractive index. Toward the determination of a unique solution concentration, high sensitivity and high accuracy, as well as response to a sample solution with a continuously and fast-changing concentration, the phase of interference fringe was adopted as signal. A new sample cell and interferometer consisting of two pieces of glasses placed in a wedge conformation was devised; further, the sample cell was miniaturized. The use of the new sample cell and interferometer consisting of two pieces of glasses placed in a wedge conformation successfully compensated for any signal fluctuations due to a laser instability etc. This measurement system correctly responded to the concentration. The phase change is roughly proportional to the concentration in the region from 0 to 0.3% aqueous solution of ethanol, and detection limit was determined to be 0.022%. This was comparable to that of a commercially available refractive index meter. The system responded quantitatively correctly to continuous and fast changes of the sample concentration to follow almost in time, which showed the possibility of real-time measurements up to a rate of 0.0024% s⁻¹. Measurements of Ni(CH₃COO)₂ were successfully carried out. Although it is necessary to study each case, the applicability for a coloring substance has been suggested.

Journal

• BUNSEKI KAGAKU

  BUNSEKI KAGAKU 62 (10), 931-936, 2013

  The Japan Society for Analytical Chemistry

Keywords

• interference
• sensor
• chemical analysis
• phase

Details

• CRID: 1390282679638165760
• NII Article ID: 10031191840
• NII Book ID: AN00222633
• DOI: 10.2116/bunsekikagaku.62.931
• COI: 1:CAS:528:DC%2BC3sXhslKksL7K
• NDL BIB ID: 024939707
• ISSN: 05251931
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I024939707
• Web Site: https://www.jstage.jst.go.jp/article/bunsekikagaku/62/10/62_931/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed