52688-U
Discovery® DSC-SCX SPE Tube
bed wt. 500 mg, volume 6 mL, pk of 30
Synonym(s):
Strong Cation Exchange SPE cartridge tube
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About This Item
material
polypropylene tube
Quality Level
composition
bed wt., 500 mg
packaging
pk of 30
technique(s)
solid phase extraction (SPE): suitable
surface area
480 m2/g
volume
6 mL
matrix
Silica gel base material (irregularly shaped, acid washed)
matrix active group
sulfonic acid bonding
particle size
50 μm
pore size
0.9 mL/g pore volume, 70 Å pore diameter
capacity
0.8 meq/g total capacity
application(s)
food and beverages
separation technique
ion exchange
General description
Sample 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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flash_point_f
Not applicable
flash_point_c
Not applicable
Storage Class
11 - Combustible Solids
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Protocols
Melamine was extracted from milk using Supelco® Discovery® DSC-SCX SPE tubes. Analysis was performed by HPLC, using an Ascentis® Express HILIC column.
Normal-phase SPE separates analytes based on polar interaction with sorbents in diverse sample matrices.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 52688-U | 04061832556567 |