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MACHEREY-NAGEL 730968 CHROMABOND HR-XA SPE Polypropylene Column, 85µm Pore Size, 1 ml Volume, 30mg Adsorbent Weight (Pack of 30) in Saudi Arabia

MACHEREY-NAGEL 730968 CHROMABOND HR-XA SPE Polypropylene Column, 85µm Pore Size, 1 ml Volume, 30mg Adsorbent Weight (Pack of 30)

SAR 417
Weight
141 g
– 1 +

Special Features

  • Base material spherical PS/DVB copolymer, pore size 55–65 Å, particle sizes 45 µm or 85 µm (standard)
  • Very large specific surface 850 m2/g, pore volume 1. 4 cm3/g, pH stability 1–14
  • Quaternary ammonium modification, exchange capacity 0. 25 meq/g, pKa ~ 18
  • RP capacity 350 mg/g (caffeine in water)

Description

Strong quat. ammonium modified polymeric anion exchanger for SPE. High-purity material, highest reproducibility and lowest blank values due to an optimized production process.

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