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581511-U
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Ascentis Si

by Sigma Aldrich

Ascentis® Si HPLC Column
3 μm particle size, L × I.D. 10 cm × 1.0 mm           
 
Ascentis®
We have placed heavy emphasis on optimizing Ascentis phases with relation to the three terms of the resolution equation: efficiency, retention and selectivity. However, our strongest emphasis has been on the most powerful term, selectivity. Together, Ascentis bonded phases have a wide range of selectivities. It is likely that one or more Ascentis phase will accomplish any small molecule HPLC separation. Packed in micro- to preparative hardware dimensions, Ascentis products cover all HPLC application areas, including the most sensitive trace-level analyses.

Ascentis Si
Suitable for L3 per USP

The Ascentis family of columns is the fourth generation of HPLC column technology from Supelco scientists. Ascentis columns are bonded on high purity, 100 Angstrom silica including 3, 5, and 10 micron particle size. Columns are designed for small molecule applications and are scalable from micro columns (1.0 mm I.D.) to preparative dimensions (50 mm I.D.). The family includes C18, C8, Phenyl, Si and embedded polar group phase, RP-Amide.

The Ascentis Si is a high loading capacity silica with excellent peak shape. The Ascentis Si performs in both normal-phase and HILIC/ANP (aqueous normal phase) mode.

Specification
Vendor Sigma Aldrich Pore size 100
Brand Ascentis Si pH stability from 2.0
Modifification Silica pH stability to 6.0
Mode Normal-Phase Surface Area 450
Particle Size Endcapped No
Length Operating Temperature 70
Internal Diameter
Similar columns from other manufacturers to Ascentis Si

Up to 10 unique Brand families from other Vendors with the same Mode and the same Modification.

How similarity is calculated
Eligible families receive a weighted score from Modification (25%), Product Usage (20%), Carbon Load (15%), Endcapping (10%), Pore Size (10%), Surface Area (8%), pH Stability (8%) and Particle Size (4%). The score uses data available in both families and requires at least three comparable criteria, at least 50% data coverage and a minimum 55% score. A relevant active sponsor may appear first and is always labelled Sponsored.
A similarity score does not guarantee identical selectivity or performance. Confirm suitability under the intended method conditions.
ACE Excel SIL
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Sponsored 60% match
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Pore Size100 Å
Shared Product UsagePolar compounds
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VertiSep UPS Silica
by Vertical Chromatography
93% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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Ultra
by RESTEK
93% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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Agilent Prep
by Agilent Technologies
89% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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LiChrospher®
by Merck
88% match
ModeNormal-Phase
ModificationSilica
Pore Size60 Å, 100 Å
Shared Product UsageNo shared usage assigned
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Syncronis
by Thermo Fisher Scientific
83% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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Bluespher
by KNAUER
79% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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Athena Silica
by CNW Technologies
77% match
ModeNormal-Phase
ModificationSilica
Pore Size120 Å
Shared Product UsageNo shared usage assigned
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TRACER EXCEL 120 Silica
by Teknokroma
75% match
ModeNormal-Phase
ModificationSilica
Pore Size120 Å
Shared Product UsageNo shared usage assigned
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Alltima Silica
by Hichrome
74% match
ModeNormal-Phase
ModificationSilica
Pore Size100 Å
Shared Product UsageNo shared usage assigned
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Product Usage values
Geometrical isomers Isomers Non-polar compounds Polar compounds Positional isomers Small molecules Steroids Vitamins
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