SPE-HLB sorbents are produced with a special polymerization technique. It is corrresponding to Water Oasis HLB or Phenomenex Strata X. They are reverse phase sorbents wettable by water with balanced hydrophilicity and hydrophobicity capable of satisfying most solid phase extrction needs.
Monodisperse microspheres in SPE-HLB sorbents are made with outstanding ability to retain polar compounds. They are quite suitable for the isolation of compounds with none or medium polarity.
SPE-SCX and SPE-WCX sorbents are polymer microspheres with functional sulfate or carboxyl groups based on a mixed mode of cation ion exchange and hydrophobicity interaction, they are used to separate and analyze alkaline compounds such as:
- phencyclidine, etc.
|Strong Cation Exchange Chromatography||SPE-MCX|
Corresponding to Waters Oasis MCX or Phenomenex Strata-X-C
|PS/DVB||· Mix mode sorbents with a strong cation exchange and reverse retention|
· Highly selective for basic analytes
· Stable in organic solvents
|Weak Cation Exchange Chromatography||SPE-WCX|
Corresponding to Waters Oasis WCX or Phenomenex Strata-X-CW
|PS/DVB||· Weak cation exchange and reverse retention mechanism|
· For the retention and release of strong basic analytes
· Stable in organic solvent