CHROMABOND® HR-XA

111,99
SPE-polypropylene columns
Strong quat. Ammonium modified polymeric anion exchanger (mixed mode)
  • Base material: Spherical polystyrene-divinylbenzene copolymer
  • Pore size: 55-65 Å
  • Particle size: 85 µm
  • Very large specific surface: 850 m2/g
  • Pore volume: 1.4 cm3/g
  • pH-stability: 1-14
  • Quaternary ammonium modification
  • Exchange capaqcity: approx. 0.25 meq/g
  • RP-capacity: 300 mg/g (caffeine in water)
  • High-puritiy material, highest reproducibility and lowest blank values due to an optimised production process
  • Outstanding recovery rates especially for the enrichment of basic analytes
Recommended application:
  • Acidic active ingredients from strongly matrix-contaminated samples like e. g. urine, plasma, serum
  • Phenolic acids
  • Acidic herbicides
OptieVolume (ml)  Adsorbent weight (mg)  Verp. (stuks)  
13  60  30  
23  200  30  
36  500  30