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  • Ideal for bioanalytical testing applications like drug and metabolite analyses
  • Heightened slectivity and retention for compounds that are hard to resolve or elute early on C18 and other phenyl chemistries
  • Limits ionization suppression and allows simple, MS-friendly mobile phases
  • Restek's most popular LC astationary phase applied to 2.7 and 5µm Raptor™ SPP core-shell silica

With Raptor™ LC columns, Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC® technology. This new breed of chromatographic column allows you to more easily achieve peak separation and faster analysis times without expensive UHPLC instrumentation.

Our top priority when developing our new SPP line was to create a version of our innovative Biphenyl. The industry-leading Biphenyl is Restek’s most popular LC stationary phase because it is particularly adept at separating compounds that are hard to resolve or that elute early on C18 and other phenyl chemistries. As a result, the rugged Raptor™ Biphenyl column is extremely useful for fast separations in bioanalytical testing applications like drug and metabolite analyses, especially those that require a mass spectrometer (MS). Increasing retention of early-eluting compounds can limit ionization suppression, and the heightened selectivity helps eliminate the need for com plex mobile phases that are not well-suited for MS detection.

Restek was the first to bring you the benefits of the Biphenyl ligand, and we have the experience to maximize the SPP performance of this
premier phenyl chemistry for today’s challenging workflows.

Download the full technical Raptor Biphenyl brochure here and check pricing or order your Raptor Biphenyl Columns here.

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