LCGC Europe
August 01, 2012
The Essentials
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8
An excerpt from LCGC's e-learning tutorial on HPLC for reversed-phase separations at Chromacademy.com.
August 01, 2012
History of Chromatography
25
8
A pioneer in high performance liquid chromatography reflects on his career and how "enlightened trial-and-error" can reduce the effort involved in method development.
August 01, 2012
Article
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8
This article describes the GC–MS and LC–MS screening methods developed by the Environment Agency for England and Wales for the analysis of both low-volumn water samples and extracts obtained from various designs of passive samplers.
August 01, 2012
Sample Preparation Perspectives
25
8
This article provides examples of the use of SLE, demonstrates some of its advantages and provides commercial sources for SLE products.
August 01, 2012
LC Troubleshooting
25
8
Retention-time drift, temperature control and broad peaks from a new column are the topics of this month's discussion.
August 01, 2012
Article
25
8
The statistical nature of experiments leads to the fact that standard deviation (SD) of replicate analysis is not constant but a number with some variability: a standard deviation has its own standard deviation. As a consequence, a SD calculated from three experiments is not rugged and even SDs from ten experiments show a great variability. Analysts should be aware that with 100 or more the results have low scatter