7089850
MilliporeSigma™ Supelco™ Ascentis™ Express 90 Å AQ-C18 HPLC Column, 2 μm Particle Size
Ascentis™ Express AQ-C18 is a high-speed, high-performance liquid chromatography column based on the Fused-Core™ particle design. AQ-C18 is a reversed-phase packing that can be used for basic, acidic, and neutral compounds.
Manufacturer: Fischer Scientific
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Particle Size
2 μm
Pore Size
90 Å
USP Type
L1
Product Line
Ascentis
Carbon Load
6.5%
Technique
Fused-Core HPLC
pH
2 to 9
Surface Area
120 m2/g
Stationary Phase
AQ-C18
Matrix
AQ-C18 Phase/Fused-Core™ Silica Particle Platform
Phase
Reversed Phase
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Description
- The particle provides a thin porous shell of high-purity silica surrounding a solid silica core 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 AQ-C18 is a C18 bonded phase prepared using a proprietary procedure that incorporates a small amount of polar silane which makes the phase resistant to dewetting Dewetting resistance allows users of the AQ-C18 phase to run highly-aqueous (up to 100%) mobile phases The modified C18 phase exhibits similar retention to Ascentis™ Express C18 with a different selectivity, adding a valuable alternative for resolving difficult separations Can be used for basic, acidic, and neutral compounds