Importance

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Abstract

A technique to suppress retention of a mixed sample on a filter in purification of a sample is provided. A purification apparatus that purifies a specific sample from a mixed sample includes a container to separate the mixed sample with a heavy solution based on a specific gravity difference, a filter unit that collects the specific sample in the mixed sample by introduction of a supernatant discharged from the container, the specific sample being lighter in specific gravity than the heavy solution, and a discharge pipe that guides the supernatant discharged from the container to the filter unit. The filter unit includes a filter and a connection portion, the connection portion being attached to the filter and a discharge path and connecting them to each other.

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First Claim