7thSpace Interactive (press release) Results: Phytochemical screening indicated that, the crude extract, ethyl acetate , n-butanol and residue fractions contain in general saponins, tannins, alkaloids, anthraquinones and phenols while the hexane fraction contains only alkaloids. The ethyl ...
separationsNOW.com After their preconcentration by liquid phase microextraction, fast separation on thin layers of inorganic ion-exchanger stannic silicate has been developed using a mixture of toluene + ethyl acetate (10:1, v/v) as mobile phase. Consequently ...
