Analysis of Distribution of Propylene oxide in Nonionic Surfactant and Fatty alcohol by Reversed Phase High Performance Liquid Chromatography

역상 액체 크로마토그래피에 의한 비이온 계면활성제의 Propylene oxide 분포 및 Fatty alcohol의 분석

  • Lee, Yong-Hwa (LG Chemical Ltd. Household & Personal Care Products R&D Institute) ;
  • Bak, Hong-Soon (LG Chemical Ltd. Household & Personal Care Products R&D Institute) ;
  • Choi, Kyu-Yeol (LG Chemical Ltd. Household & Personal Care Products R&D Institute) ;
  • Lee, Jae-Duk (LG Chemical Ltd. Household & Personal Care Products R&D Institute) ;
  • Ahn, Ho-Jeong (LG Chemical Ltd. Household & Personal Care Products R&D Institute)
  • 이용화 ((주)LG화학 생활과학연구소) ;
  • 박홍순 ((주)LG화학 생활과학연구소) ;
  • 최규열 ((주)LG화학 생활과학연구소) ;
  • 이재덕 ((주)LG화학 생활과학연구소) ;
  • 안호정 ((주)LG화학 생활과학연구소)
  • Received : 1997.01.10
  • Accepted : 1997.02.28
  • Published : 1997.04.10

Abstract

In this study, the optimum analytical conditions for determination of distribution of propylene oxide in a nonionic surfactant and separation of fatty alcohols were investigated by Reversed Phase High Performance Liquid Chromatography. To analyse the distribution of propylene oxide (PO) and carbon chain length of a fatty alcohol, we derivatized samples for the purpose of using a UV detector. Also, we studied the influences of columns and mobile phase composition to obtain the optimum separation conditions. In our experiment, Waters Symmetry $C_8(3.9{\times}150mm)$ column was used. And the optimum condition were obtained by gradient elution with methanol and water as the mobile phase. In the plot of log k' vs composition of water in the binary phase, the linerality was very good. We ploted the calibration curve to conform the quality of fatty alcohol, a good linerality was obtained.

Keywords

References

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