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- SPE columns, CHROMABOND HR-XAW, 85 µm, 3 mL/500 mg
State-of-the-art spherical polymer for highest demands in solid phase extraction. PS/DVB copolymer with secondary and tertiary ammonium modification for mixed-mode SPE with weak anion exchange and reversed-phase properties (WAX). Exchange capacity > 0.5 meq/g, pKa ~ 6 and RP capacity 350 mg/g (caffeine in water). High-purity material with ideal flow properties and highest reproducibility. Allows highest reproducibility with extremely low blind values due to an optimized production process. Outstanding recovery rates especially for the enrichment of acidic (strong acids with pKa < 1 ) analytes.
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Particle type
Fully porous particles (FPP)
Particle shape
Spherical
Endcapped
No
Brand
CHROMABOND
Filter element material
Polyethylene (PE)
Carbon content
Not available or proprietary
pH stability
1.0–14.0
Column shape
Open tubular syringe-shaped column with Luer tip outlet
Column volume
3 mL
Hardware
Polypropylene (PP) columns with polyethylene (PE) filter elements
Column type
SPE column
Selling unit
30 columns
Filling quantity
500 mg
Column volume/adsorbent weight
3 mL/500 mg
Scope of delivery
30x (6x5 in aluminum bags each) SPE columns, certificate of analysis
Particle size
85 µm
Base material
PS/DVB copolymer
Method
Solid phase extraction (SPE)
Mode
Mixed mode (RP and Ion exchange (IEX))
Pore size
55–65 Å
Specific surface according to BET
850 m²/g
Recommended application(s)
Perfluorinated surfactants
Recommended application(s)
Acidic compounds
Recommended application(s)
Sulfonates
Recommended application(s)
Strong acids with pKa < 1
Phase
HR-XAW
Surface chemistry
Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with secondary and tertiary ammonium modification, weak Mixed mode anion exchanger (WAX)
Recommended application(s)
Active ingredients from strongly matrix contaminated
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