Skip to Content
Merck
  • Simultaneous determination of brazilin and protosappanin B in Caesalpinia sappan by ionic-liquid dispersive liquid-phase microextraction method combined with HPLC.

Simultaneous determination of brazilin and protosappanin B in Caesalpinia sappan by ionic-liquid dispersive liquid-phase microextraction method combined with HPLC.

Chemistry Central journal (2017-11-15)
Zhaoyang Xia, Dongdong Li, Qing Li, Yan Zhang, Wenyi Kang
ABSTRACT

The conditions of heating, ionic liquid-based ultrasonic-assisted extraction combined with reverse-phase high performance liquid chromatography were optimized to simultaneously isolate and determinate brazilin and protosappanin B in Caesalpinia sappan. Ionic liquids, including [BMIM]Br, [BMIM]BF

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
1-Hexyl-3-methylimidazolium hexafluorophosphate, ≥97.0% (HPLC)