The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
A chromatographic technique using multiple columns connected by switching valves for improved chromatographic separations or sample cleanup. Fractions from a primary column can be switched to two or more secondary columns, which in turn can be further diverted to additional columns or to detectors; sometimes called multidimensional chromatography.
The term "column switching" was found in the following pages: