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|Articles|June 1, 2005

LCGC Europe

  • LCGC Europe-06-01-2005
  • Volume 18
  • Issue 6

Determining the Hydrocarbon Oil Index in Water using Ultra Fast Gas Chromatography

This article discusses utra fast gas chromatography as a suitable technique for determining the hydrocarbon oil index in water. The advantages of this technique over conventional GC technology are presented.
External Link - article-162379.pdf

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HPLC Analysis of Non-volatile Analytes Using Charged Aerosol Detection

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Separating Proteins by pI-Values — Can 2D LC Replace 2D GE?

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Profiles in Practice Series: Metabolism Identification and Structural Characterization in Drug Discovery

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Adjusting Conditions for a Routine Reversed-Phase HPLC Assay, Part 2: Changing Separation Conditions

over 21 years ago

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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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