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52691-U

Supelco

Discovery® DSC-SCX SPE Tube

bed wt. 5 g, volume 20 mL, pk of 20

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

material

polypropylene tube

composition

bed wt., 5 g

packaging

pk of 20

technique(s)

solid phase extraction (SPE): suitable

surface area

480 m2/g

volume

20 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

Retention Mechanism: Cation exchange
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

Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1A - Skin Sens. 1

Storage Class

4.1B - Flammable solid hazardous materials

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WGK 3

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Certificates of Analysis (COA)

Lot/Batch Number
13437703
13437702
13437701
12878602
12878601

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Protocols

Analysis of Melamine in Milk

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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