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- SPE columns, CHROMABOND PSA, 45 µm, 3 mL/500 mg
Silica gel modified with propylsulfonic acid, very strong cation exchanger (SCX). Capacity ~ 0.7 meq/g, contrary to the SA phase no π-π interactions. If you are looking for PSA (primary and secondary amine - used with QuEChERS mixes), please see QuEChERS or Diamino.
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Particle type
Fully porous particles (FPP)
Endcapped
No
pH stability
2.0–8.0
Pore size
60 Å
Base material
Silica gel
Particle shape
Irregular
Brand
CHROMABOND
Particle size
45 µm
Mode
Ion exchange (IEX)
Surface chemistry
Silica gel with propylsulfonic acid (PSA) modification, very strong cation exchanger (SCX)
Specific surface according to BET
500 m²/g
Filter element material
Polyethylene (PE)
Carbon content
Not available or proprietary
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
Filling quantity
500 mg
Column volume/adsorbent weight
3 mL/500 mg
Selling unit
50 columns
Scope of delivery
50x (10x5 in aluminum bags each) SPE columns, certificate of analysis
Method
Solid phase extraction (SPE)
Recommended application(s)
Weak cations
Phase
PSA
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