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Catalog Search results Ult5P415

Ult5P415

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Ultisil XB-Phenyl

by Welch Materials

Ultisil XB Phenyl phase is less retentive than conventional C18 and C8 phases, but more retentive than standard cyano phase. Due to their ability to participate in π-π interactions, XB-Phenyl columns may actually more retentive than C18 or C8 columns towards certain polar aromatic compounds, depending on running conditions. The selectivity for highly polar aromatics, which are poorly retained on alkyl-bonded phases, combined with the reduced retentivity towards nonpolar compounds, makes XB-Phenyl an excellent choice for the analysis of complex mixtures of polar and non-polar analytes.

High surface coverage and exhaustive double end-capping
Excellent for aromatic, polar compounds and difficult pharmaceuticals
Different selectivity to XB-C18, XB-C8 and XB-CN
Exceptional batch-to-batch and column-to-column reproducibility
Available in dimensions from analytical to preparative for all sample sizes

Application areas:

Aromatic compounds Non-polar compounds Pharmaceutical molecules Polar compounds

Specification

Vendor	Welch Materials	Pore size	120
Brand	Ultisil XB-Phenyl	Surface Area	320
Modifification	Silica/Phenyl	Carbon Load, %	13.0
Mode	Reversed-Phase	Endcapped	Yes
Particle Size		pH stability from	1.5
Length		pH stability to	10.0
Internal Diameter

Similar columns Columns with same mode & modification — across all brands

Vendor	Brand	Mode	Modification	Int. diam.	Length	Particles	Pores	Price
ACE	ACE Phenyl	Reversed-Phase	Silica/Phenyl	4.6 mm	35 mm	3.0 μm	100 Å	On request
Imtakt	Unison UK-Phenyl	Reversed-Phase	Silica/Phenyl	2.0 mm	75 mm	3.0 μm	130 Å	On request
Greyhound	Spheripak Phenyl 80	Reversed-Phase	Silica/Phenyl	4.6 mm	200 mm	5.0 μm	80 Å	On request
MicroSolv Technology Corporation	Cogent HPS Phenyl	Reversed-Phase	Silica/Phenyl	4.6 mm	150 mm	5.0 μm	120 Å	On request
Imtakt	Unison UK-Phenyl	Reversed-Phase	Silica/Phenyl	1.0 mm	75 mm	3.0 μm	130 Å	On request
BISCHOFF	ProntoSIL 120-5-Phenyl	Reversed-Phase	Silica/Phenyl	4.6 mm	250 mm	5.0 μm	120 Å	On request
Luknova	HighSelect Phenyl-120	Reversed-Phase	Silica/Phenyl	30.0 mm	100 mm	5.0 μm	120 Å	On request
ES Industries	Chromegabond 120 BAS Phenyl	Reversed-Phase	Silica/Phenyl	3.2 mm	250 mm	5.0 μm	120 Å	On request

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