50867-U
Ascentis® Express F5, 2 μm UHPLC Column
2 μm particle size, L × I.D. 15 cm × 2.1 mm
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About This Item
Codice UNSPSC:
41115700
NACRES:
SB.52
Prodotti consigliati
Materiali
stainless steel column
Livello qualitativo
agenzia
suitable for USP L43
Nome Commerciale
Ascentis®
Caratteristiche
endcapped
Produttore/marchio commerciale
Ascentis®
Confezionamento
1 ea of
Parametri
1000 bar max. pressure (14500 psi)
60 °C temp. range
tecniche
LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable
Lungh. × D.I.
15 cm × 2.1 mm
Area superficiale
120 m2/g
Impurezze
<5 ppm metals
Matrice
Fused-Core particle platform
superficially porous particle
Gruppo funzionale matrice
PFP (pentafluorophenyl) phase
Dimensione particelle
2 μm
Dimensione pori
90 Å pore size
pH di lavoro
2-8
applicazioni
food and beverages
Tecnica di separazione
reversed phase
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Descrizione generale
Ascentis® Express 2.0 μm F5 is a high-speed, UHPLC column based on a Fused-Core® particle design. This particle design exhibits very high column efficiency due to the shallow diffusion paths in the 0.4 μm thick porous shell and the small overall particle size of 2 μm. The bonded, endcapped, dimethylpentafluorophenylpropyl stationary phase of Ascentis® Express 2.0 μm F5 provides a stable, reversed phase packing with electron-deficient phenyl rings due to the presence of electronegative fluorines. In addition to forming pi-pi and mildly steric interactions, F5 phases also retain compounds by polar interactions. Having polar and non-polar character, F5 phases can show dual-mode retention behavior, sometimes producing a “U-shaped” retention as a function of acetonitrile content of the mobile phase, with retention increasing at both low and high concentrations of ACN (reversed-phase and HILIC retention modes). Ascentis® Express 2.0 μm F5 can be used for basic, acidic, or neutral compounds with alternate selectivity from C18.
Note legali
Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany
Fused-Core is a registered trademark of Advanced Materials Technology, Inc.
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