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Determination and Ethylene Oxide(EO) Separation of Polysorbates by RP-HPLC

역상 HPLC에 의한 polysorbates의 산화에틸렌(EO) 분리 및 정량분석

  • 이용화 (호서대학교 융합기술연구소)
  • Received : 2012.11.19
  • Accepted : 2012.12.16
  • Published : 2012.12.30

Abstract

The EO separation and quantitative determination of polysorbate 20, polysorbate 40, polysorbate 60 and polysorbate 80 was carried out by reversed phase HPLC. The water/acetonitrile was used for the mobile phase of gradient conditions. An YMC Pack Ph ($250mm{\times}4.6mm$ i.d., $5{\mu}m$) and Phenomenex C4 ($250mm{\times}4.6mm$ i.d., $5{\mu}m$) and the selected ELSD detector was applied. The analysis results of HPLC showed good linearity with correlation coefficient of $r^2$=0.997 in the rage of $180.2{\sim}980.5{\mu}g/mL$ and detection limit.

역상 HPLC에 의한 polysorbate 20, polysorbate 40, polysorbate 60, polysorbate 80의 ethylene oxide(EO)분리 및 간편하고 빠른 정량분석 방법을 개발하였다. 분석조건으로 분리관은 YMC Pack Ph ($250mm{\times}4.6mm$ i.d., $5{\mu}m$) 과 Phenomenex C4 ($250mm{\times}4.6mm$ i.d., $5{\mu}m$)을 사용하였고, 검출기는 ELSD를 사용하였으며, 이동상은 water/acetonitrile의 기울기 용리에 의해 분석되었다. 이때 검량선의 상관계수($r^2$)는 $180.2{\sim}980.5{\mu}g/mL$ 농도 범위에서 0.997이상 이었고, 검출한계, 정밀성이 우수하였다. 이 방법은 olysorbates의 산화에틸렌 분리분석 및 간편하고 빠르게 정량분석 가능함을 보여 주었다.

Keywords

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