Searching for Robust HPLC Methods – Csaba Horváth and the Solvophobic Theory
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Abstract
This paper is written in remembrance of the work of Csaba Horváth on Reversed Phase Chromatography, (RPC) and the fundamental theory of the mechanism of retention on non-polar stationary phases, the ``Solvophobic Theory''. The paper discusses some steps in the development of this important theory and examines its consequences in developing robust methods for routine RPC. Reliable product quality requires the understanding of selectivity changes, which in RPC govern the development of robust and reliable methods involving continuous changes of liquid chromatographic parameters in aqueous eluents. The application of RPC is still growing in scientific research and in pharmaceutical and chemical production. The impact of the Solvophobic Theory in life sciences has been enormous but it was only a part of Horváth's scientific work. RPC is today one of the most popular, most widely used tools in analytical chemistry and will remain so for many years due to its stability and to its robustness.
Keywords
Csaba Horváth Column liquid chromatography Reversed phase chromatography Solvophobic theory retention modeling Continuous changes of selectivityReferences
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