CHROMABOND SPE Columns, HR-XC, 500mg, 3mL, 85µm, 65-75Å

Benzenesulfonic acid modified polymeric cation exchanger for SPE

Features:
Base material spherical PS/DVB copolymer, pore size 65–75 Å, particle sizes 45 µm or 85 µm (standard), very large specific surface 800 m2/g, pore volume 1.4 cm3/g, pH stability 1–14 benzenesulfonic acid modification, exchange capacity 1.0 meq/g, pKa < 1 RP capacity 300 mg/g (caffeine in water) high-purity material, highest reproducibility and lowest blank values due to an optimized production process outstanding recovery rates especially for the enrichment of basic analytes

Recommended application:
Basic active ingredients from strongly matrix-contaminated samples like, e.g., urine, plasma, serum
fungicides from food
basic analytes like, e.g., amines
bases with pKa 2–10