Polysiloxanes are most common stationary phases for general separations. They are relatively stable, robust and versatile to wide range of applications. Different functional groups substitutes replace the methyl group on silicon atom, which characterizes the polarity of polysiloxane. Carefully controlling the polymer synthesis, capillary surface treatment and other manufacturing processes can control the column characteristics, such as polarity, retention, efficiency, inertness and repeatability of column performance to very tight windows.
Similar phases: DB-1, HP-1, Ultra-1, SPB-1, Rtx-1, CP-Sil 5CB, BP-1, ZB-1, AT-1, MDN-1, OV-1, OV-101
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