Determination of dissolved gases in basalt groundwater in the Pasco Basin, Washington

Technical Report · Mon Sep 01 04:00:00 EDT 1986

OSTI ID:7170426

Halko, D J

The determination of dissolved gases in groundwater is required for complete hydrochemical characterization of the Columbia River Basalt Group beneath the Hanford Site. A gas chromatographic method has been developed for the determination of argon, oxygen, nitrogen, carbon monoxide, carbon dioxide, and methane in groundwater. In addition to a gas chromatograph equipped with thermal conductivity and flame ionization detectors, equipment utilized consists of a purge device that strips these gases from solution for subsequent separation using Molecular Sieve 5A and porous polymer columns. This technique is capable of accommodating pressurized fluid samples collected from the deep aquifers with in situ samplers. The analysis is discussed in detail.

• Research Organization: Rockwell International Corp., Richland, WA (USA). Rockwell Hanford Operations
• DOE Contract Number: AC06-77RL01030
• OSTI ID: 7170426
• Report Number(s): RHO-BW-SA-554P; ON: DE87004213
• Country of Publication: United States
• Language: English

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ALKANES
ARGON
BASALT
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHROMATOGRAPHY
DISSOLVED GASES
ELEMENTS
FLUIDS
GAS CHROMATOGRAPHY
GASES
GROUND WATER
HYDROCARBONS
HYDROGEN COMPOUNDS
IGNEOUS ROCKS
METHANE
NITROGEN
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
RARE GASES
ROCKS
SEPARATION PROCESSES
SOLUTES
VOLCANIC ROCKS
WATER