Apparatus for recovering material to be measured and method for retrieving material to be measured

Means provided for retrieving a to be measured, dissolved in a solvent and held in a reservoir with a Einflies- and a Ausfliesseite material, wherein the solvent comprising from the reservoir through a also a Einflies- and Ausfliesseite, for adsorption of the material to be measured adsorber is passed is of the eluted to be measured, adsorbed material and recovered in a recovery vessel, wherein the Ausfliesseite of the reservoir and the Einfliesseite the adsorption column are connected via a straight tube having at the center of a branch node, with a with recovery vessel in communication recovery pipe is connected.