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Mixed Mode Octyl(C8)/SAX SPE Cartridge

This SPE cartridge can be widely used in the detection of drug abuses, such as THC; and of metabolites in biological fluids, such as barbiturates.

Availability: In Stock


Description of Mixed Mode Octyl(C8)/SAX SPE Cartridge

Octyl(C8)/SAX SPE Cartridges are hybrid which can take advantage of the two cartridges’ respective characteristics. This mixed mode cartridge has double retention ability since the functional group of the cartridge is made up of a proportionally bonded octyl and a quaternary amine group. The former provides moderate hydrophobic interaction and the latter provides strong anion exchange.

Hawach Mixed mode extraction cartridge can be applied in samples over-adsorbed by C8 or C18 SPE cartridges, or too retentive to SAX.
They are perfectly suitable for the treatment of complex matrix samples such as blood and urine

Characteristics of Mixed Mode C8/SAX SPE Cartridge

  • Medium retention capacity to solve the problem that individual target compounds are difficult to elute.
  • Suitable for processing complex matrix samples such as blood and urine.


  • Specific surface area: 510 m²/g;
  • Average particle size: 40 – 75μm;
  • Average pore size: 70 Å.


  • Detection of drugs like THC, can be used in drug abuse.
  • Detection of metabolites in biological fluids (blood and urine), such as barbiturates and aryl benzoic acids.

Technical Data

SpecificationMaximum Sample LoadVolumeMinimum Elution Volume

Ordering Information

Item   No. SpecificationPackage (pcs/pk)
SLSPE301C8SAXC8/SAX, 30mg/1mL100
SLSPE1001C8SAXC8/SAX, 100mg/1mL100
SLSPE2003C8SAXC8/SAX, 200mg/3mL50
SLSPE5003C8SAXC8/SAX, 500mg/3mL50
SLSPE2006C8SAXC8/SAX, 200mg/6mL30
SLSPE5006C8SAXC8/SAX, 500mg/6mL30
SLSPE1K12C8SAXC8/SAX, 1g/12mL20
SLSPE2K12C8SAXC8/SAX, 2g/12mL20
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