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Ascentis® Express ES-Cyano, 2 μm UHPLC Column

2 μm particle size, L × I.D. 15 cm × 3 mm

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About This Item

UNSPSC Code:
41115700
NACRES:
SB.52

material

stainless steel column

Quality Level

100

agency

suitable for USP L10

product line

Ascentis®

feature

endcapped

manufacturer/tradename

Ascentis®

packaging

1 ea of

parameter

1000 bar max. pressure (14500 psi)
80 °C temp. range

technique(s)

LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable

L × I.D.

15 cm × 3 mm

surface area

120 m2/g

impurities

<5 ppm (metals)

matrix

Fused-Core particle platform
superficially porous particle

matrix active group

phase, diisopropyl-cyanopropylsilane

particle size

2 μm

pore size

90 Å pore size

operating pH

1-8

application(s)

food and beverages

separation technique

hydrophilic interaction (HILIC)
normal phase
reversed phase

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General description

Ascentis® Express 2μm ES-Cyano UHPLC columns are based on a 90 Å Fused-Core® particles. The Fused-Core 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-micron thick porous shell and the small overall particle size of 2-microns. The sterically protected, extensively endcapped diisopropyl-cyanopropylsilane stationary phase of Ascentis Express 2μm ES-Cyano provides a stable, reversed-phase packing that can be used for basic, acidic, or neutral compounds.

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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Certificates of Analysis (COA)

Lot/Batch Number
USFTP001267
USFTP001266
USFTP001265
USFTP001264
USFTP001256

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Alex D Batista et al.
Talanta, 133, 142-149 (2014-12-02)
On-line sample pretreatment (clean-up and analyte preconcentration) is for the first time coupled to sequential injection chromatography. The approach combines anion-exchange solid-phase extraction and the highly effective pentafluorophenylpropyl (F5) fused-core particle column for separation of eight sulfonamide antibiotics with similar
Jakub Fibigr et al.
Journal of pharmaceutical and biomedical analysis, 120, 112-119 (2016-01-01)
A new high-performance liquid chromatography method using fused-core column for fast separation of resveratrol and polydatin has been developed and used for quality control of nutraceuticals with resveratrol and polydatin content. Retention characteristics (log k) were studied under different conditions
Jan Soukup et al.
Journal of chromatography. A, 1374, 102-111 (2014-12-30)
Excess adsorption of water from aqueous acetonitrile mobile phases was investigated on 16 stationary phases using the frontal analysis method and coulometric Karl-Fischer titration. The stationary phases include silica gel and silica-bonded phases with different polarities, octadecyl and cholesterol, phenyl

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