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Craig R. Aurand | Authors
Articles
LCGC North America
Avoiding Reversed-Phase Chromatography Problems Through Informed Method Development Practices: Choosing the Stationary-Phase Chemistry
Understanding the chemistry of embedded polar group and perfluorophenyl phases leads to better decisions during method developement
LCGC Europe
Avoiding Reversed-Phase Chromatography Problems Through Informed Method Development Practices: Choosing the Stationary-Phase Chemistry
Many problems encountered executing HPLC methods are a result of decisions made during early method development. This article discusses one critical variable in method development, the choice of stationary phase chemistry.
The Application Notebook
Fast and Accurate LC–MS Analysis of Vitamin D Metabolites Using Ascentis® Express F5 HPLC Columns
Vitamin D deficiency has become a topic of interest in recent publications (1–3). Vitamin D is present in two forms, Vitamin D3 and Vitamin D2. D3 is produced after ultraviolet light-stimulated conversion of 7-dehydrocholesterol in the skin (3).