52690-U
Discovery® DSC-SCX SPE Tube
bed wt. 2 g, volume 12 mL, pk of 20
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material
polypropylene tube
Quality Level
composition
bed wt., 2 g
packaging
pk of 20
technique(s)
solid phase extraction (SPE): suitable
surface area
480 m2/g
volume
12 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
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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
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2 - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1A - Skin Sens. 1
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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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.
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