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52579-U

Supelco

Supelclean™ PSA SPE Tube

bed wt. 500 mg, volume 6 mL, pk of 30

Synonym(s):

PSA SPE cartridge tube, 6 mL

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

material

PE frit (20 μm porosity)
polypropylene hardware

composition

bed wt., 500 mg

packaging

pk of 30

extent of labeling

8.4% C loading
3.3% N loading

technique(s)

solid phase extraction (SPE): suitable

surface area

500 m2/g

volume

6 mL

surface coverage

surface coverage 2.35 μmol/m2

matrix

silica gel base material (irregularly shaped)

matrix active group

ethylenediamine-N-propy bonding, polymerically bonded

particle size

50 μm

pore size

70 Å pore size

pKa 

(1) 10.1, (2) 10.9

capacity

0.98-1.05 meq/g capacity

application(s)

food and beverages

separation technique

ion exchange
normal phase

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General description

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

  • Polymerically bonded, ethylenediamine-N-propyl phase that contains both primary and secondary amines
  • A weak anion exchanger with a pKa of 10.1 and 10.9
  • Similar to aminopropyl SPE phases (NH2) in terms of selectivity, but has a much higher capacity due to presence of secondary amine (0.98-1.05 meq/g)
  • Strong affinity and high capacity for removing fatty acids, organic acids, and some polar pigments and sugars when conducting multi-residue pesticide analysis in foods
  • Has been shown to significantly reduce matrix-enhancement effects encountered during the GC analysis of food products
  • Tested for superior cleanliness using GC-FID and GC-MS
  • Bidentate nature of ligand allows for chelation

Legal Information

Supelclean is a trademark of Sigma-Aldrich Co. LLC

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Danger

Hazard Classifications

Eye Dam. 1 - Skin Sens. 1B - STOT RE 2 Inhalation

target_organs

respiratory tract irritation

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
17202401
16253401
13213501
14236501
13724001

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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.

Protocols

Solid Phase Extraction: Normal Phase Methodology

Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.

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