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Supelco

Discovery® DSC-SCX SPE Tube

bed wt. 100 mg, volume 1 mL, pk of 108

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

material

polypropylene tube

composition

bed wt., 100 mg

packaging

pk of 108

technique(s)

solid phase extraction (SPE): suitable

surface area

480 m2/g

volume

1 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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
18687701
16253701
15035801
14207401
13417301

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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.

Solid Phase Extraction: Normal Phase Methodology

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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