Sigma-Aldrich Superspher(R) RP-18 Endcap

Material

stainless steel column

Quality Level

100

Agency

suitable for USP L1

Product Line

Superspher^®

Feature

endcapped

Parameter

250 bar pressure
60 °C max. temp.

Technique(S)

HPLC: suitable
mass spectrometry (MS): suitable (Low - Medium)

Column L × I.D.

25 cm × 2 mm

Matrix

fully porous particle

Matrix Active Group

C18 bonding phase

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HPLC Columns

General Description

HPLC cartridgeSuperspher^®is a high performance spherical silica carrier with a particle size of 4µm, providing an excellent pressure / separation performance ratio. The separation peformance of Superspher columns typically is 100,000 N/M. A broad range of modifications on Superspher are available. reversed phase derivatives (RP-8, RP-18 endcapped, RP-18, RP-18 endcapped and RP-select B) and polar derivatives (Si 60). Superspher sorbents are packed in LiChroCART cartridges in different lenghts and internal diameters. To operate with LiChroCART cartridges, the cartridge holder manu-CART has to be used.

Analysis Note

Pressure: ≤ 140 bar
Theoretical Plates (N/M) (hexylbenzene): ≥ 85000
Symmetry (hexylbenzene): 0.8 - 1.4
Capacity factor (hexylbenzene): ≥ 5.0LICHROCART is a registered trademark of Merck KGaA, Darmstadt, GermanySuperspher is a registered trademark of Merck KGaA, Darmstadt, Germany