NH 2 sorbent is composed of aminopropyl-bonded silica gel. It retains analytes via strongly polar interactions in organic solutions and via weak anion exchange in aqueous solutions.


  • Retaining compounds in normal phase or anion exchange mode
  • Capable of cleaning up biological samples with complicated matrix components



Carbon content: 4.5%
Surface area: 200 m 2/g
Particle size: 40 - 75 μm
Pore size: 100 Å



  • Removal of negatively charged species such as sulfuric acids
  • Determination of drugs and their metabolites such as β2-adrenergic agonists and salicylic acid in biological fluids (blood and urine)
  • Determination of macrolide residues in foods and water


Related Methods:

  • NY/T 761-2008   Pesticide multiresidue sceen methods for determination of organophosphorus pesticides, organochlorine pesticides, pyrethroid pesticides and carbamate pesticedes in vegetables and fruits

NH2 SPE Cartridges


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