Skip to Content
Merck
All Photos(1)

Documents

52640-U

Supelco

Discovery® DSC-NH2 SPE Tube

bed wt. 1 g, volume 6 mL, pk of 30

Synonym(s):

NH2 (amine) SPE cartridge tube

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

material

PE frit (20 μm)
polypropylene

product line

Discovery®

feature

endcapped

composition

bed wt., 1 g

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

amino phase

particle size

50 μm

pore size

70 Å pore size

pKa 

9.8

capacity

~0.43 meq/g capacity

application(s)

food and beverages

separation technique

ion exchange
normal phase

Looking for similar products? Visit Product Comparison Guide

General description

Retention Mechanism: Normal phase or Anion-exchange
Sample Matrix Compatibility: Organic or aqueous solutions

  • Polymerically bonded, aminopropyl phase that is very polar in nature (hydrogen bonding) allowing for both normal phase and ion exchange applications
  • A weak anion exchanger with a pKa of 9.8. At pH 7.8 or below, the functional groups are positively charged
  • Ion exchange capacity is ∼ 0.43 meq/g.
  • Allows the rapid release of very strong anions such as sulfonic acids that may be retained irreversibly by strong anion exchangers
  • Can be used in some reversed-phase applications (due to ethyl spacer); however, it is predominately used as an ion-exchange or normal phase sorbent due to its polar nature

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

>464.0 °F

Flash Point(C)

> 240 °C

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
18843201
17701701
17036001
14653402
14653401

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Solid Phase Extraction: Ion Exchange Methodology

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.

Solid Phase Extraction: Ion Exchange Methodology

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

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.

Contact Technical Service