IMPROVED EXTRACTION APPARATUS

摘要

Apparatus for distributing a solid, gel, powder, granular, liquid or viscous liquid test substance in an extraction fluid comprises: a)a flow cell for holding the test substance comprising an extraction chamber of uniform cross-sectional area,a grinding surface, an extraction fluid inlet and an extract outlet; b)a grinding head disposed within the extraction chamber and adapted to reciprocate therein; and c)a recirculating pump for driving extraction fluid: (i) into the flow cell via the extraction fluid inlet; (ii) through the extraction chamber; and (iii) back to the flow cell via the extract outlet.