LCGC Asia Pacific, Sep 1, 2011 - Chromatography Online
LCGC Asia Pacific, Sep 1, 2011
LC Troubleshooting
Selectivity in Reversed-Phase Separations (Part 3): Column-type Selectivity
By John W. Dolan
How to choose another column to try and solve a separation problem.
GC Connections
Valves for Chromatography (Part 2): Applications
By John V. Hinshaw
Discussion about the use of gas switching valves for column backflush and two-dimensional series bypass applications.
Articles
Advances in the Ageing Chemistry of Distilled Spirits Matured in Oak Barrels
By Kevin MacNamara , Dagmara Dabrowska , Norbert Helle , Meike Baden
This article describes the latest developments in LC-MS and GC-MS that reveal the mysteries of this ancient art.
Practical Data Handling
Common Problems with Method Optimization in Pharmaceutical Analysis
By Yvan Vander Heyden
The various steps of an experimental design-based approach are considered and the problems that arise from wrong choices are described.
Departments
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
By Martin Sibum
Spark Application Note
Separation of Steviol Glycosides
By René Borstel
Knauer Application Note

ADVERTISEMENT
LCGC E-mail Newsletters
Global E-newsletters subscribe here:




 
Survey
How easy is it to implement a QbD approach to analytical method development?
How easy is it to implement a QbD approach to analytical method development?
Very easy
Fairly easy
Not easy
Very easy
11%
Fairly easy
46%
Not easy
43%
View Results
Click here