Knowledge Base

Cereulide is an emetic toxin found in grains and dairy products that requires prevention and control. In this article, we present a method that quantifies cereulide in infant formula and rice cereal, using solid-phase extraction, UHPLC, and mass spectrometry.

In this article, we present solutions for the chromatographic analysis of biological samples from Welch Materials, covering SEC, RPLC, HIC, and ion exchange chromatography, with multiple applications of peptides, nucleic acids, antibodies, and proteins.

This article explores the fundamental qualities of ODS columns and examines four representative designs from Welch Materials. It reflects on long-standing misconceptions, practical challenges, and design considerations, offering chromatographers deeper insight into one of the most widely used tools in liquid chromatography.

Discover Welch HPLC columns featured in the 2025 Chinese Pharmacopoeia, with applications and specs for pharmaceutical analysis.

Discover effective strategies and case studies for retaining polar compounds in chromatography, including column selection and practical applications.