FLOW CONTROL APPARATUS FOR SAMPLE FLUIDS

摘要

A flow control apparatus for facilitating treatment of a fluid containing a sample for analysis, includes: a body having spaced ends and defining a fluid flow passage arrangement that extends between the ends. The fluid flow passage arrangement includes two flow paths that are configured in parallel, merge within the body at least once, and respectively contain a one-way check valve and a medium selected to treat or modify sample-containing fluid flowing therethrough.