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LCGC North America-07-01-2003

LCGC North America

Why Do Peaks Tail?

July 01, 2003

LC Troubleshooting

21

7

John Dolan discusses the causes of peak tailing, how to measure it, preventive measures, and why newer column types are less prone to tailing problems.

Validation of Impurity Methods, Part I

July 01, 2003

Validation Viewpoint

21

7

This column is the first installment in a two-part series reviewing ICH and FDA impurity method validation guidelines.

Analysis of Various Cyanobacterial Toxins by LC–MS

July 01, 2003

Article

21

7

This article focuses on the initial development of an LC–MS method to screen for cyanotoxins at low parts-per-billion levels.

ASTM Subcommittee E13.19 on Chromatography

July 01, 2003

GC Connections

21

7

John Hinshaw writes about the role that the American Society for Testing and Materials International plays in chromatography standardization.

The Use of Micrometer-Sized Particles in Ultrahigh Pressure Liquid Chromatography

July 01, 2003

Column Watch

21

7

The guest authors describe capillary columns for ultrahigh pressure liquid chromatography.