Non-Polar SPE
- Extract polar analytes (with low hydrophobic character) using the most retentive phases
- Consider less retentive phases for extraction of non-polar (more hydrophobic) analytes

Highly retentive phase, extracts very polar analytes which are not retained by silica based C18 media.
Retains a broad range of polar and non-polar analytes. No secondary interactions. Used for PFAS in method EPA537.
Retains a broad range of polar and non-polar analytes. Secondary silanol interactions may enhance recovery of basic analytes.
Retains a broad range of polar and non-polar analytes. Efficiently end-capped to minimize secondary silanol interactions.
Retentive phase with high secondary silanol interactions for enhanced retention of basic compounds. Use in pH range 2-8.
Medium retentive phase for polar and non-polar analytes. Secondary silanol interactions may enhance recovery of basic compounds.
Medium retentive phase for non-polar analytes. Efficiently end-capped to minimize secondary silanol interactions.
Medium retentive phase for extraction of polar and non-polar analytes. Secondary silanol interactions may enhance recovery of basic compounds. Different selectivity compared to C8 media.
Less retentive phase for extraction of non-polar analytes. Secondary silanol interactions may enhance recovery of basic compounds.
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