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Now Available: 5 µm particles


A full suite of phases coming soon SPPspeed.USLC® Time-Tested Restek®


The established choice for bioanalytical testing since 2005


• Separates compounds that other phenyl and C18 chemistries can’t.


CH3


Si CH3 O


• Allows the use of simple, MS-friendly mobile phases.


• Restek’s most popular LC phase (also available on fully porous silica).


Si O


Anewspeciesofcolumn. resolution.


Combine the speed and efficiency of superficially porous particles with the resolution of Ultra Selective Liquid Chromatography (USLC®


) to more easily separate peaks and run faster without costly UHPLC. Biphenyl Phase: Acid-Resistant Restek® ARC-18 Phase:


Ahead of the curve for large, multiclass lists by mass spec • Well-balanced retention profile.


• Endures low-pH mobile phases without sacrificing retention or peak quality.


Experience Selectivity Accelerated www.restek.com/raptor


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