VERFAHREN ZUM REINIGEN PIPETTEN IN EINEM FLUESSIGKEITANALYSEAPPARAT

摘要

The apparatus has a probe (10) for aspirating successive aliquots of liquid from successive containers 912). Cleaning means is provided to clean the probe between aspirations and includes a pump (26) which pumps liquid (25) to the probe and a pressurised gas source, which forces gas into the flow path to the probe and delivers gas and liquid from the probe to a waste container (35). The waste container has a top opening (36) provided in a gas permeable material (42-45) which surrounds the opening.