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MilliporeSigma™ Supelco™ Ascentis™ Express F5 UHPLC Column, 2 μm Particle Size

Ascentis™ Express 2.0 μm F5 can be used for basic, acidic, or neutral compounds with alternate selectivity from C18.

Supplier:  MilliporeSigma™ Supelco™ 50859U

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Catalog No. 11-100-7213


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Description

Description

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).
Specifications

Specifications

2.1 mm
2 μm
90 Å
Ascentis
Yes
LC-MS Column
5 cm
2 to 9
PFP (Pentafluorophenyl)
PFP (Pentafluorophenyl) Phase/Fused-Core Particle Platform
Reversed Phase
Fused-Core UHPLC
SDS
Documents

Documents

Product Certifications
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Promotions

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Ascentis is a registered trademark of Sigma-Aldrich Co. LLC. Fused-Core is a registered trademark of Advanced Materials Technology, Inc.