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... from SiELC

The new generation of mixed mode columns from SiELC

With the increasing demand for the analysis of polar and ionisable compounds, SIELC Technologies have developed Obelisc - their newer generation of mixed mode columns.
Obelisc R and Obelisc N are complementary phases for the separation of polar and non-polar compounds using multiple separation mechanisms (RP, ion-exchange, NP, ion exclusion). Both phases have positive and negative charges separated by a long organic chain, allowing both charges to simultaneously participate in electrostatic interactions.

Obelisc RObelisc N
....for reversed-phase chromatography, with benefits of increased retention of polar compounds....normal-phase characteristics, for polar and charged analytes and for HILIC separations

For further information please contact Hichrom