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LCGC North America-02-01-2004

LCGC North America

From the Editor

February 01, 2004

To the Editor

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From the Editor

Pittcon Product Showcase

February 01, 2004

Products

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Products

Peaks of Interest

February 01, 2004

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Peaks of Interest

Investigating Out-of-Specification Results

February 01, 2004

Validation Viewpoint

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This column discusses potential sources and ways to avoid out-of-specification (OOS) results and highlights the draft FDA guidelines on OOS investigations.

Debating Resolution and Mass Accuracy

February 01, 2004

MS - The Practical Art

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"A well-prepared sample, a well-defined analytical goal, the appropriate use of accurate mass, reproducible retention times, and good instrument control generate unassailable data..."

Selecting the Best Curve Fit

February 01, 2004

LC Troubleshooting

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Which curve-fitting function should be used?

Estimation of the Main Sources of Uncertainty in Chromatographic Analysis: Determination of Biogenic Amines

February 01, 2004

Article

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This article establishes the estimation of the uncertainty associated with the chromatographic determination of biogenic amines.

Developments in 2-D Gas Chromatography with Heartcutting

February 01, 2004

Article

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This review discusses the operating principles of and current applications for two-dimensional gas chromatography with heartcutting.

Calendar

February 01, 2004

Index

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Calendar of Events

Speciation Studies of Metal Ions in Environmental and Biological Media Using Supported Liquid Membrane Extraction (pdf)

February 01, 2004

Sample Prep Perspectives

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New miniaturized liquid-membrane extraction designs are especially suited for speciation studies of metal ions in small amounts of biological fluids.

Determination of Common Inorganic Anions in Environmental Waters Using a Hydroxide Selective Column

February 01, 2004

Article

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The authors evaluted the performance of a high-capacity anion-exchange column specifically designed for use with hydroxide eluents for fulfilling the requirements of EPA Method 300.0 Part A and compared the results with data generated with an anion-exchange column using carbonate eluents.