Advances in the Ageing Chemistry of Distilled Spirits Matured in Oak Barrels
This article describes the latest developments in LC-MS and GC-MS that reveal the mysteries of this ancient art.
Valves for Chromatography (Part 2): Applications
Discussion about the use of gas switching valves for column backflush and two-dimensional series bypass applications.
Determination of 25-mono-hydroxy-vitamin D2 and D3 in Human Plasma Using a Symbiosis Pico System: ACN Free On-line SPE-LC–MS–MS
Spark Application Note
Common Problems with Method Optimization in Pharmaceutical Analysis
The various steps of an experimental design-based approach are considered and the problems that arise from wrong choices are described.
Separation of Steviol Glycosides
Knauer Application Note
Selectivity in Reversed-Phase Separations (Part 3): Column-type Selectivity
How to choose another column to try and solve a separation problem.
