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Get balanced retention for polar and nonpolar analytes with Thermo Scientific™ HyperSep™ Retain PEP Cartridges.
Achieve consistent, high recoveries for basic compounds with these Thermo Scientific™ HyperSep™ Retain CX Cartridges.
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Retain analytes in nonpolar matrices, and separate compounds of very similar structure with these silica SPE cartridges.