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Atypical silica-based column packings for high-performance liquid chromatography.
J J Kirkland1, F A Truszkowski, R D Ricker
1Agilent Technologies, Inc, Chemical Analysis Group, Little Falls Site, Wilmington, DE 19803, USA. jjackkirkland@worldnet.att.net
Journal of Chromatography. A
|September 19, 2002
Summary
Specialized silica particles offer unique separation properties, expanding the capabilities of high-performance liquid chromatography (HPLC) beyond standard porous microspheres for advanced analytical needs.
Area of Science:
- Analytical Chemistry
- Materials Science
Background:
- High-performance liquid chromatography (HPLC) commonly utilizes porous silica microspheres for reproducible separations.
- Standard silica particles offer a balance of properties suitable for diverse analytical applications.
Purpose of the Study:
- To describe atypical silica-based particles with unique separation properties.
- To demonstrate how these novel materials enhance HPLC method capabilities.
Main Methods:
- Synthesis of specialized silica particles with varied physical conformations.
- Evaluation of separation characteristics of these atypical particles in HPLC.
Main Results:
- Demonstration of unique separation properties offered by non-standard silica particle designs.
- Expansion of HPLC method capabilities through the use of these specialized materials.
Conclusions:
- Atypical silica-based particles provide enhanced and specialized separation capabilities in HPLC.
- These novel materials broaden the scope of achievable separations beyond conventional silica packings.