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Supelco

Discovery® DPA-6S SPE Bulk Packing

pkg of 50 g

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

packaging

pkg of 50 g

technique(s)

solid phase extraction (SPE): suitable

matrix active group

amide, poly- phase

application(s)

food and beverages

separation technique

reversed phase

General description

Retention Mechanism: Reversed-phase
Sample Matrix Compatibility: Aqueous or methanolic solutions

  • Polyamide Resin: Particle Size: 50-160μm, Surf pH: 4.5-7.5, Density: 0.2-0.3 cm3/g, Water Content: < 5 %
  • Used to adsorb polar compounds (-OH groups, esp. phenolic compounds) from aqueous or methanolic solutions under the reversed-phase mechanism through strong hydrogen bonding between compound hydroxyl groups and amide groups of the resin
  • Useful for extracting tannins, chlorophyll, humic acid, pharmacologically active terpenoids, flavanoids, gallic acid, catechol A, protocatechuic acid, and phloroglucinol
  • Also useful for extracting aromatic carboxylic acids and nitroaromatic compounds
  • Irreversibly retains quinones

Application

Discovery® DPA-6S SPE Bulk Packing may be used as a sorbent for dispersive soilid phase extraction followed by liquid chromatography and gas chromatographic determination of acrylamide in various food matrices.[1]

Legal Information

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
145079
149668
146700
129215
127088

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Rapid sample preparation method for LC- MS/MS or GC- MS analysis of acrylamide in various food matrices
Mastovska K and Lehotay JS
Journal of Agricultural and Food Chemistry, 54(19), 7001-7008 (2006)
Takayuki Asada et al.
Journal of chromatography. A, 1351, 21-28 (2014-06-04)
Isolation techniques for anthocyanidin 3,5-diglucosides and their derivatives from three types of supramolecular pigments were newly developed using two SPE (Discovery DPA-6S and DSC-SCX) cartridges. Initially, malonylawobanin from commelinin supramolecular complex yielded 79.5% with 85.7% purity using DPA-6S, while DSC-SCX
Takayuki Asada et al.
Food chemistry, 166, 10-16 (2014-07-24)
An aluminium complex of crude Delaware grape anthocyanins, bearing an ortho-dihydroxyl group on the B ring and/or a p-coumaroyl group as an ester with flavocommelin, was formed and isolated by ethanol precipitation. Using a Discovery DPA-6S short column, selected anthocyanins

Articles

Solid Phase Extraction: Reversed-Phase Methodology

Reversed-phase interaction will retain most molecules with hydrophobic character; it is very useful for extracting analytes that are very diverse in structure within the same sample.

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