The invention relates to a gas-liquid separator for a chromatography plant, comprising: a) a separating region having an inlet nozzle, a baffle unit and a gas distribution unit; b) a dividing region having a liquid outlet and c) a gas outlet region having a gas outlet; wherein the separating region is connected to the dividing region by a separating opening and the distance of the inlet nozzle from the baffle unit is greater than the smallest longitudinal extension of the separating opening and the inlet nozzle is designed such that a gas-liquid stream directed through the inlet nozzle can act on the baffle unit. The invention further relates to a chromatography plant comprising a separator according to the invention and to a chromatography method wherein the separator is used.
