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|Articles|May 1, 2004

LCGC Europe

  • LCGC Europe-05-01-2004
  • Volume 17
  • Issue 5

The Evolution of the Application of Gas Chromatography

In another of Ettre's historical examinations of the early days of gas chromatography, he discusses four major application fields in which the technique changed the way chemists perform analyses. These include hydrocarbon analysis, fatty acid analysis, flavour compounds and essential oils analysis, and environmental analysis. In addition, he also explains how GC helped in the evolution of liquid chromatography and in the development of the scientific industry.
External Link - article-94655.pdf

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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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