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53501-U Supelco

Ascentis® Express C18, 2.7 Micron Guard Cartridge

2.7 μm particle size, L × I.D. 5 mm × 2.1 mm, pkg of 3 ea

  •  eCl@ss 32110501

  •  NACRES SB.52

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Properties

Related Categories Analytical/Chromatography, Ascentis Express C18 Columns, Ascentis Express C18, 2.7μm HPLC Columns, Ascentis Express Columns for Fast HPLC, C18, 2.7μm Guard Cartridges and Holder,
Quality Level   100
packaging   pkg of 3 ea
application(s)   HPLC: suitable
L × I.D.   5 mm × 2.1 mm
matrix active group   C18 (octadecyl) phase
particle size   2.7 μm
pore size   90 Å
suitability   suitable for L1 per USP
Featured Industry   Food and Beverages
separation technique   reversed phase

Description

General description

Ascentis Express Guard Columns provide physical (filtration) and chemical protection for costly analytical columns without compromising the very high performance of Ascentis Express columns. These Ascentis Express guard columns are capable of continuous use at pressures up to 9000 psi (600 bar) with only hand-tightening. Guard cartridges are easily replaced without removing the guard column holder from the flow path. The cartridges are packed with Ascentis Express Fused-Core® particles. Order guard column holder separately.

Legal Information

Ascentis is a registered trademark of Sigma-Aldrich Co. LLC

Fused-Core is a registered trademark of Advanced Materials Technology, Inc.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Frequently Asked Questions

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.
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.
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.
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.
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.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles

Articles

Ascentis Express C8 U/HPLC Columns

When a C18 doesn′t give the desired separation, or your sample contains compounds that are known to be difficult to retain or resolve on a C18, consider changing to an Ascentis® Express C8 column. Th...
Keywords: Chromatography, Diffusion, High performance liquid chromatography, Separation

Ascentis Express UHPLC Columns with 2.0 μm Fused-Core Particles

The new Supelco Ascentis® Express column line has been designed specifically for UHPLC instruments with 2.0 µm Fused-Core® silica, as diagrammed in Figure 1. Ascentis Express 2.0 µm UHPLC columns are...
Richard A. Henry, Gaurang Parmar
Reporter US, Volume 32.2
Keywords: High performance liquid chromatography, Mass spectrometry, Pharmaceutical, Separation

Ascentis ® Express C18 U/HPLC Columns

Ascentis® Express C18 is the first choice when starting a new separation method. The Fused-Core® particle technology of Ascentis® Express C18 enables high speed and high resolution separations on HPL...
Keywords: Chromatography, Diffusion, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Separation

Derivatization Agents for LC/MS – An Improved Detection of Estradiol with ESI-MS

Steroid hormones are derivatives of cholesterol and play an important role in a large variety of organisms, as they can have direct control over the gene expression. 17β-estradiol (E2) controls the g...
Rudolf Köhling, Senior Scientist, LC/MS Applications
Analytix Volume 4, 2011, Article 4
Keywords: Clinical, Derivatizations, Environmental, Gene expression, High performance liquid chromatography, Hormones, Mass spectrometry, Metabolites, Pharmaceutical, Reversed-phase chromatography, Solvents

Related Content

Ascentis® Express U/HPLC Column Selection

The column selectivity has the highest influence on resolution in chromatography. Therefore, the selection of the best suitable column chemistry for the target analytes is an important selection para...
Keywords: Chromatography, High performance liquid chromatography, Separation

Supelco HPLC Calculator for Isocratic or Gradient Method Transfer

Calculates conditions for transfer of an isocratic or gradient method from one HPLC column to another. Allows method scaling from microbore through preparative column range. Calculates time and solve...
Keywords: High performance liquid chromatography

Peer-Reviewed Papers
15

References

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53500-U Ascentis® Express Guard Cartridge Holder, for use with Ascentis Express Guard Columns, pk of 1

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