Solid phase extraction plate
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United States of America Patent
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May 25, 1999
Grant Date -
N/A
app pub date -
Aug 4, 1997
filing date -
Aug 4, 1997
priority date (Note) -
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Abstract
A solid phase extraction plate includes a unitary tray having a plurality of spaced-apart discrete upstanding chambers molded therein with each chamber having a top opening and a bottom nozzle with downwardly tapering sidewalls extending between the top opening and the bottom nozzle. A plurality of solid phase extraction disks are provided and one secured in each of the plurality of chambers without the use of frits or retainer rings utilizing instead tapered sidewalls of the chamber for enabling a press fit of the disks therein.
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