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UNSPSC Code:
41115700
NACRES:
SB.52
Particle size:
2 μm
Matrix active group:
AQ-C18, polar modified bonding phase
Pore size:
90 Å pore size
Matrix:
Fused-Core® silica particle platform, superficially porous particle
产品名称
Ascentis® Express 90 Å AQ-C18, 2 μm HPLC Column, column L × I.D. 10 cm × 2.1 mm
material
stainless steel column
agency
suitable for USP L1
product line
Ascentis®
feature
endcapped
packaging
1 ea of
extent of labeling
6.5% Carbon loading
technique(s)
HPLC: suitable, LC/MS: suitable, UHPLC-MS: suitable, UHPLC: suitable
column L × I.D.
10 cm × 2.1 mm
surface area
120 m2/g
matrix
Fused-Core® silica particle platform, superficially porous particle
matrix active group
AQ-C18, polar modified bonding phase
particle size
2 μm
pore size
90 Å pore size
operating pH range
2-9
separation technique
reversed phase
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General description
Ascentis® Express AQ-C18 is a 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 0.4 μm thick porous shell and the small overall particle size of 2 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.
Analysis Note
The target analytes include acids, bases, and polar analytes.
Legal Information
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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