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.
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.
U.S. Department of the Interior |
U.S. Geological Survey