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52686-U

Supelco

Discovery® DSC-SCX SPE Tube

bed wt. 500 mg, volume 3 mL, pk of 54

Synonym(s):

Strong Cation Exchange SPE cartridge tube

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

material

polypropylene tube

product line

Discovery®

composition

bed wt., 500 mg

packaging

pk of 54

technique(s)

solid phase extraction (SPE): suitable

surface area

480 m2/g

volume

3 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

H228,H314,H317,H411

Hazard Classifications

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

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

52686-U:

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Certificates of Analysis (COA)

Lot/Batch Number
18843801
17526501
16808901
16358901
15384902

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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.

Chromatograms

application for SPE, application for HPLC

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