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Merck
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安全信息

53470-U

Supelco

Ascentis® Express 90 Å ES-Cyano (2.7 μm) HPLC Columns

L × I.D. 5 cm × 2.1 mm, HPLC Column

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UNSPSC代码:
41115700
eCl@ss:
32110501
NACRES:
SB.52

product name

Ascentis® Express ES-Cyano, 2.7 μm HPLC Column, 2.7 μm particle size, L × I.D. 5 cm × 2.1 mm

物料

stainless steel column

质量水平

100

Agency

suitable for USP L10

产品线

Ascentis®

特点

endcapped

制造商/商品名称

Ascentis®

包装

1 ea of

参数

≤80 °C temp. range
600 bar max. pressure (9000 psi)

技术

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

长度 × 内径

5 cm × 2.1 mm

表面积

135 m2/g

杂质

<5 ppm metals

基质

Fused-Core particle platform
superficially porous particle

基质活性基团

cyano phase

粒径

2.7 μm

孔径

90 Å pore size

pH值范围

1-8(lit.)

应用

food and beverages

分离技术

hydrophilic interaction (HILIC)
normal phase
reversed phase

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相关类别

一般描述

Ascentis® Express ES-Cyano HPLC column is a high-speed, high-performance liquid chromatography column based on 90Å 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 0.5-micron thick porous shell and the small overall particle size of 2.7-microns. The sterically protected, extensively endcapped diisopropyl-cyanopropylsilane stationary phase of Ascentis Express ES-Cyano provides a stable, reversed-phase packing that can be used for basic, acidic, or neutral compounds.

法律信息

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

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

新产品

分析证书(COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is special about Ascentis Express?

    Ascentis Express columns provide a breakthrough in HPLC performance. Based on Fused-Core particle technology, Ascentis Express provides the benefits of sub-2 μm particles but at much lower backpressure.  These benefits include the capability of providing fast HPLC and higher resolution chromatography.  The Fused-Core particle consists of a 1.7 μm solid core and a 0.5 μm porous shell.  A major benefit of the Fused-Core particle is the small diffusion path (0.5 μm) compared to conventional fully porous particles. The shorter diffusion path reduces axial dispersion of solutes and minimizes peak broadening.

  4. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  5. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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
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
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

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