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Merck

50348-U

Supelco

Ascentis® Express 90 Å OH5 (5 μm) HPLC Columns

L × I.D. 25 cm × 4.6 mm, HPLC Column

Synonim(y):

Core-shell (SPP) Fused Core Penta HPLC column

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About This Item

Kod UNSPSC:
41115700
NACRES:
SB.52

product name

Ascentis® Express OH5, 5 μm HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4.6 mm

Materiały

stainless steel column

Poziom jakości

agency

suitable for USP L86

linia produktu

Ascentis®

Właściwości

endcapped: no

producent / nazwa handlowa

Ascentis®

opakowanie

1 ea of

Parametry

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

metody

HPLC: suitable
LC/MS: suitable

dł. × śr. wewn.

25 cm × 4.6 mm

powierzchnia

90 m2/g

zanieczyszczenia

<5 ppm metals

macierz

Fused-Core particle platform
superficially porous particle

grupa aktywna macierzy

hydroxy, penta- phase

wielkość cząstki

5 μm

wielkość porów

90 Å pore size

operating pH range

2-9(lit.)

Zastosowanie

food and beverages

metoda separacji

hydrophilic interaction (HILIC)

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Opis ogólny

Ascentis Express 5 μm OH5 is a high-speed, high-performance liquid chromatography column based on a 5-micron Fused-Core® particle design. 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 shorter diffusion paths in the 0.6-micron thick porous shell and an overall particle size of ~5-microns. The Ascentis Express 5 μm OH5 stationary phase is a highly polar ligand that possesses 5 hydroxyl groups tethered to the silica via novel proprietary linkage chemistry. This high performance material provides a column that can be used for traditional normal phase separations using non-polar, totally organic mobile phases or for aqueous normal phase chromatography with the typical mobile phases for hydrophilic interactive liquid chromatography (HILIC) of basic, acidic, zwitterionic, or neutral compounds.

Column Characteristics
The Fused-Core particle has a surface area of ~ 100 m2/g and an average pore size of 90Å. The Fused-Core particles are 30% to 50% heavier than commercially available totally porous particles due to the density of the solid cores. Therefore, the effective surface area per column is similar to columns packed with totally porous particles having surface areas in the 160-200 m2/g range.

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Informacje prawne

Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany
Fused-Core is a registered trademark of Advanced Materials Technology, Inc.

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable


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Odwiedź Bibliotekę dokumentów

Paweł Kubica et al.
Analytical and bioanalytical chemistry, 406(13), 3013-3018 (2014-03-26)
The influence of sucrose combustion products on smoking and nicotine addiction is still controversial because the presence of the sucrose may be treated as a source of aldehydes and organic acids. In e-liquids used as refills for electronic cigarettes, which

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