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52688-U

Supelco

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

UNSPSC Code:
41115712
NACRES:
NB.21

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

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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

Signal Word

Danger

Hazard 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


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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Articles

SPE retention mechanism in this case is based on the electrostatic attraction of charged functional groups of the analyte(s) to oppositely charged functional groups on the sorbent.

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.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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