LCGC North America
February 01, 2004
Validation Viewpoint
22
2
This column discusses potential sources and ways to avoid out-of-specification (OOS) results and highlights the draft FDA guidelines on OOS investigations.
February 01, 2004
MS - The Practical Art
22
2
"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..."
February 01, 2004
LC Troubleshooting
22
2
Which curve-fitting function should be used?
February 01, 2004
Article
22
2
This article establishes the estimation of the uncertainty associated with the chromatographic determination of biogenic amines.
February 01, 2004
Article
22
2
This review discusses the operating principles of and current applications for two-dimensional gas chromatography with heartcutting.
February 01, 2004
Sample Prep Perspectives
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2
New miniaturized liquid-membrane extraction designs are especially suited for speciation studies of metal ions in small amounts of biological fluids.
February 01, 2004
Article
22
2
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.