DEVICE FOR TAKING A LIQUID SAMPLE

摘要

Apparatus for taking-up liquid batches, comprising a take-up tube (10), a metering pump (20) for drawing liquid into the take-up tube (10) by suction, and a washing pump (30) which functions to pump washing solution through the take-up tube (10) in a direction opposite to the liquid take-up direction, through the medium of a washing tube (50). The washing pump (30) is a self-sealing displacement pump.