7214168
Ascentis™ Express 90 Å AQ-C18, 5.0 μm HPLC Guard Cartridge, Sold by MilliporeSigma™ Supelco™
The target analytes include acids, bases, and polar analytes.
Manufacturer: Fischer Scientific
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Quantity
3/Pk.
Particle Size
5 μm
Pore Size
90 Å pore size
Stationary Phase
AQ-C18, polar modified bonding
Matrix
Fused-Core™ silica particle platform
pH
2 to 9
Length (Metric)
0.5 cm
Surface Area
90 m2/g
Endcapped
Endcapped
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Description
- High-speed, high-performance liquid chromatography column based on the Fused-Core™ particle design
- The particle provides a thin porous shell of high-purity silica surrounding a solid silica core
- This particle design exhibits very high column efficiency due to the shallow diffusion paths in the 0.6 μm thick porous shell and the small overall particle size of 5 μm
- The 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
- This resistance to dewetting allows the 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
- The AQ-C18 is a reversed-phase packing that can be used for basic, acidic, and neutral compounds.