Polaris HPLC Column from Agilent

From the collapse-resistant pore structure of the base silica, to the "wettability" engineered into the bonded phases, Polaris columns have been designed for high aqueous conditions. The combination of high phase density bonding, ultra pure silica, and silanol shielding leads to excellent peak shape among polar-modified columns.

Polaris offers a variety of polar modifications in both C18 and C8 chemistries

  • Polaris C18-A:  the best starting place for separations where the benefits of polar-modified columns are desired. The polar modifications of C18-A help it avoid poor peak shape and retention issues in low organic conditions.
  • Polaris C8-A: offers an alternative selectivity to standard C8 phases and has a lower hydrophobicity than Polaris C18-A, ideal for polar samples, or faster overall analysis times.
  • Polaris C18-Ether: offers an alternative selectivity to Polaris C18-A and standard C18 phases, and delivers increased retention of polar compounds away from the void volume.
  • Polaris C8-Ether: offers an alternative selectivity to Polaris C8-A with particular utility for hydrogen bonding compounds.

Features:

  • Reversed-phase column that performs well under aqueous conditions
  • Aids in avoiding phase collapse and shifting retention times
  • Polaris NH2 normal phase column, polar-modified with silanol shielding

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