MACHEREY-NAGEL 731772 CHROMAFIX HR-XAW SPE Cartridge, Medium, 85µm Pore Size, 0.8 ml Volume, 240mg Adsorbent Weight (Pack of 50)
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. 2–1. 4 cm3/g, pH stability 1–14
Secondary and tertiary ammonium modification, exchange capacity > 0. 5 me/g, pukka ~ 6
RP capacity 350 mg/g (caffeine in water)
Description
Weakly basic secondary and tertiary ammonium polymeric anion exchanger for SPE. High-purity material, highest reproducibility and lowest blank values due to an optimized production process.
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