- 17 March 2008 -

Thermo Fisher expand their range of HPLC Columns

Thermo Fisher Scientific Inc. has announced an extension to its range of Hypersil GOLD™ HPLC columns. Hypersil GOLD™ columns will now also be available in a phenyl phase, increasing the Hypersil GOLD™ range of selectivities for RP (reversed phase) chromatography.

In addition to the introduction of the phenyl phase, the existing Hypersil GOLD™ C8 and CN phases (until now only available with 3 µm and 5 µm particle size) will also be available with 1.9 µm particle size.

The Hypersil GOLD™ Phenyl stationary phase contains a butyl linker for better alignment with aromatic molecules which, according to Thermo Fisher Scientific, allows for enhanced pi-pi interactions thus increasing the retention of these aromatic molecules.

The butyl linker also imparts moderate hydrophobicity making the columns ideal for the separation of analyte mixtures with varying polarity and aromaticity. Because Hypersil GOLD™ Phenyl columns are based upon the same high purity silica, the peak shape and sensitivity delivered by Hypersil GOLD™ is achieved with the phenyl phase.

The expanded range of Hypersil GOLD™ columns offers chromatographers even more flexibility in choosing the correct column whether they are using conventional or ultra-high pressure LC systems.

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