A flow cell for a photometer, which comprises a cell body integrated from a pair of cell body members by joining, at least one of which is provided with a linear groove on the joining surface of the cell body member from one end to another to the full length, as exposed to the joining surface, the groove...http://www.google.com.au/patents/US4823168?utm_source=gb-gplus-sharePatent US4823168 - Flow-through cell for a photometer formed using a pair of cell body members
