Extracting non-polar compounds


C8 sorbent is composed of octyl-bounded silica gel particles and retains non-polar compounds by hydrophobic interactions.Compared with C18, C8 has shorter carbon chains and moderate hydrophobicity, thus makes an alternative for extracting compounds that is strongly retained by C18 sorbent.



  • Moderate hydrophobicity
  • Capable of extracting compounds strongly retained by C18



Carbon content: 9%
Surface area: 280 m 2/g
Particle size: 40-75 μm
Pore size: 100 Å



  • Extraction of hydrophilic and lipophilic vitamins in plasma
  • Determination of residual hormones in meat
  • Determination of residual pesticides in waste
  • Desalting of biological macromolecules

C8 SPE Cartridges


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