Discovery DSC - SCX SPE Tube, lit wt. 500 mg, volume 3 mL, lot de 54

Code: 52686-u D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Retention Mechanism: Cation exchangeSample Matrix Compatibility: Organic or aqueous solutions A polymerically bonded, be...


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Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Retention Mechanism: Cation exchangeSample Matrix Compatibility: Organic or aqueous solutions A polymerically bonded, benzene sulfonic acid functional group, pKa (﹤ 1.0) Counter ion is H+ Silica support allows for use with very organic solvents (no shrinking/swelling) Excellent capacity (0.8 meq/g) for cleaning up solution phase combinatorial chemistry reactions (removing target molecules from reaction by-products and excess reagents) The presence of the benzene ring offers some mixed-mode capabilities (hydrophobic interactions) that should be considered when extracting cations from aqueous matrices

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Discovery is a registered trademark of Sigma-Aldrich Co. LLC

application(s)food and beverages
capacity0.8 meq/g total capacity
compositionbed wt., 500 mg
materialpolypropylene tube
matrix active groupsulfonic acid bonding
matrixSilica gel base material (irregularly shaped, acid washed)
packagingpk of 54
particle size50 µm
pore size0.9 mL/g pore volume, 70 Å pore diameter
product lineDiscovery®
Quality Level100
separation techniqueion exchange
surface area480 m2/g
technique(s)solid phase extraction (SPE): suitable
volume3 mL
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