Mieke Steenbeke | Authors

Articles

Profiling Nonionic Surfactants Applied in Pharmaceutical Formulations Using Comprehensive Two-Dimensional LC with ELSD and MS Detection

Comprehensive two-dimensional liquid chromatography (2D-LC) was used for detailed profiling of various nonionic ethoxylated surfactants applied in pharmaceutical formulations. Hydrophilic-interaction chromatography (HILIC) and reversed-phase liquid chromatography (LC) were used as the first and second dimensions, respectively. Detection was performed with evaporative light-scattering detection (ELSD) for general profiling and with single-quadrupole mass spectrometry (MS) for structure elucidation of individual peaks and for class-type confirmation of peak-groups.

Determination of Sweeteners, Preservatives, and Caffeine in Food

Analysis of additives such as sweeteners, preservatives, and caffeine in various food products, beverages, and consumer toothpaste using the Agilent 1290 Infinity II LC.

Determination of Sweeteners, Preservatives, and Caffeine in Food

Analysis of additives such as sweeteners, preservatives, and caffeine in various food products, beverages, and consumer toothpaste using the Agilent 1290 Infinity II LC.