Solid-phase extraction of galloyl- and caffeoylquinic acids from natural sources (Galphimia glauca and Arnicae flos) using pure zirconium silicate and bismuth citrate powders as sorbents inside micro spin columns

Physical Sciences and Engineering Chemistry Analytical Chemistry

Shah Hussain, Stefan A. Schönbichler, Yüksel Güzel, Harald Sonderegger, Gudrun Abel, Matthias Rainer, Christian W. Huck, Günther K. Bonn,