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Ascentis® Express 90 Å Biphenyl (2.7 µm) HPLC Columns

L × I.D. 0.5 cm × 2.1 mm, HPLC guard Column, pkg of 3 ea

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About This Item

UNSPSC Code:
41115730
NACRES:
SB.52

product name

Ascentis® Express Biphenyl Guard Column, pkg of 3 ea, 2.7 μm particle size, L × I.D. 0.5 cm × 2.1 mm

material

stainless steel hardware

Quality Level

100

agency

suitable for USP L11

product line

Ascentis®

feature

endcapped

packaging

pkg of 3 ea

manufacturer/tradename

Ascentis®

extent of labeling

7% carbon loading

parameter

60 °C max. temp.
9000 psi max. pressure (600 bar)

technique(s)

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

L × I.D.

0.5 cm × 2.1 mm

surface area

135 m2/g

impurities

<5 ppm metals

matrix

particle platform
superficially porous particle

matrix active group

biphenyl phase

particle size

2.7 μm

pore size

90 Å pore size

operating pH

2-9

application(s)

food and beverages

separation technique

reversed phase

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General description

The Ascentis® Express biphenyl phase chemistry offers alternative selectivity for pharmaceutical analytes and drug metabolites that are not well retained or difficult to resolve on traditional alkyl (C18) and phenyl bonded phases. Ascentis Express HPLC columns, through the use of Fused-Core® particle technology, can provide you with both the high speed and high efficiencies of sub-2 ?m particles while maintaining lower backpressures. The combination of high efficiency and low backpressure benefits UHPLC users, as well as conventional HPLC users. Visit the Ascentis Express home page for more information on this new column technology.

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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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Articles

Ascentis® Express Biphenyl UHPLC and HPLC Columns

The bonded, densely endcapped, dimethyl-biphenyl stationary phase of Ascentis® Express 90 Å Biphenyl, based on fused-core particles, provides a stable, reversed phase packing with enhanced π-π and mild steric interactions due to the two sequential phenyl groups bonded to the base silica.

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