54217-U
Supelclean™ ENVI-Carb™ II/PSA SPE-Röhrchen
bed A 500 mg (Supelclean™ ENVI-Carb-II SPE), bed B 500 mg (Supelclean™ PSA SPE), volume 20 mL, pk of 20
Synonym(e):
Carbon/PSA SPE cartidge, 20 mL
About This Item
Empfohlene Produkte
Materialien
PE frit (20 μm porosity)
polypropylene hardware
Zusammensetzung
bed A, 500 mg (Supelclean™
ENVI-Carb-II SPE)
bed B, 500 mg (Supelclean™
PSA SPE)
Verpackung
pk of 20
Methode(n)
solid phase extraction (SPE): suitable
Volumen
20 mL
Aktive Matrixgruppe
PSA phase
carbon phase
Anwendung(en)
food and beverages
Trenntechnik
ion exchange
reversed phase
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Allgemeine Beschreibung
Sample Matrix Compatibility: Organic or aqueous solutions
- Dual layer SPE tube that contains both Supelclean ENVI-Carb (upper layer) & PSA (lower layer) SPE sorbents (separated by PE frit)
- Developed to offer superior clean up when conducting multi-residue pesticide analysis from food (e.g. agricultural products, meats, etc.).
- ENVI-carb has a strong affinity towards planar molecules, and can isolate/remove pigments (e.g., chlorophyll and carotinoids) and sterols commonly present in foods and natural products
- Supelclean PSA has a strong affinity and high capacity for fatty acids, organic acids, and some polar pigments and sugars
- Tested for superior cleanliness using GC-FID and GC-MS
Rechtliche Hinweise
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Eye Dam. 1 - Skin Sens. 1 - STOT RE 2 Inhalation
Zielorgane
respiratory tract irritation
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Artikel
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.
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.
Protokolle
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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