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|Articles|September 1, 2000

LCGC North America

  • September 2000
  • Volume 18
  • Issue 9
  • Pages: 940–949

GC Connections: Thermal Desorption Sampling

Thermal desorption sampling often provides a means for bringing otherwise intractable samples to a gas chromatography (GC) column for separation and detection. John Hinshaw describes the principles of thermal desorption sampling in relationship to other analysis techniques for volatile solutes.

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LCGC 18(9), 940–949 (2000).

Articles in this issue

about 26 years ago

Welcome to Web Analysis

about 26 years ago

Achieving Optimum GC Separation – Designing New Capillary Column Stationary Phases Using Computer Modeling

about 26 years ago

Reversed-Phase LC in 100% Water

about 26 years ago

The Analysis of Low Molecular Weight Carboxylic Acids by CE with Indirect UV Detection

about 26 years ago

Coupling Static Headspace Sampling to High-Speed Gas Chromatography

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Figure 2. Split injection used to measure triplicate test of MTBE, hexane, o-xylene, and 1-methylnaphthalene comparing different solvents (methanol, methylene chloride) and column insertion distances starting with 0.5 mm, 5.0 mm, 10.0 mm, 15 mm, and 20.0 mm. Methanol had the best performance at the 5.0 mm insertion distance and methylene chloride looked slightly better at the 0.5 mm. We would still recommend not going below the 5.0 mm manufacturer recommended insertion distance.
Revisiting Column Insertion Distance
Revisiting insertion distance for methanol and methylene chloride in GC analysis and confirming that insertion depth strongly affects response and reproducibility.
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