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Gas chromatography
Chromatographic technique used to separate or partition the components of a mixture. Solid and liquid samples are vaporized and passed through a column containing a liquid that differentially absorbs the molecules.
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Geochemistry and tracer studies [More info]
Overview of chemical analyses, tracer studies, gas geochemistry, stable isotopes analyses, organic chemistry, and thermometry capabilities at major USGS laboratories with links to technique, equipment, and contacts for each procedure.
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