LCGC North America
November 01, 2001
Validation Viewpoint
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Guest authors Thompson and Morris summarize the problems and progress in establishing regulated analytical methods for dietary supplements.
November 01, 2001
Inside
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Products, literature, application notes, etc.
November 01, 2001
Article
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The author investigates solute partitioning between the mobile and stationary phases to determine the driving force of reversed-phase liquid chromatography separations.
November 01, 2001
Sample Prep Perspectives
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Guest author Greg LeBlanc reviews techniques for preparing non- and semivolatile compounds from environmental samples for analysis under the Environmental Protection Agency's SW-846 guidelines.
November 01, 2001
LC Troubleshooting
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Dolan examines some options for increasing the retention of polar compounds, which is a goal when using gradient elution scouting runs to screen the retention characteristics of compounds for separation by reversed-phase liquid chromatography.
November 01, 2001
GC Connections
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Hinshaw examines the effects of system time constants and sampling rates upon apparent peak shapes and areas when performing fast gas chromatography.