Comparison of FTIR Microspectroscopy and Diffuse Reflectance Spectroscopy for Monitor of Solid Phase Reaction

Qiang Wu, Shuzhen Yang, Juntao Luo, Wenqiang Huang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

17 FTIR micro transmission spectra of single resin beads of each sample, from polystyrene sulfonyl chloride resin changing to polystyrene sulfonyl amide resin in solid-phase reaction in water at 0°C, 20°C, 40°C, 60°C, were recorded. The reaction was monitored by the means of FTIR microspectroscopy and diffuse reflectance spectroscopy upon the products. It was showed that the pressed single bead as a piece of biscuit was able to give higher quality spectrum. In comparison, 8 diffuse reflectance spectra of each sample were also collected. It seems that the diffuse reflectance spectrscopy is a more easy dealing with and effective method to control the whole reaction. However, the microspectroscopy is the first choice to check the difference between resin beads.

Original languageEnglish (US)
Pages (from-to)608-609
Number of pages2
JournalGuang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis
Volume20
Issue number5
StatePublished - 2000
Externally publishedYes

Keywords

  • Diffuse reflectance spectroscopy
  • FTIR microspectroscopy
  • Polystyrene sulfonyl amide resins
  • Solid phase reaction

ASJC Scopus subject areas

  • Spectroscopy
  • Safety, Risk, Reliability and Quality

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