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UNM-LANL Volcanology Program -- Facilities



University of New Mexico --- Volcanic and Hydrothermal Fluid Analysis Laboratory


Gas Chromatography System

We use a state-of-the-art gas chromatography system for determination of (He, Ar, N2, O2, H2, CO2, CO, CH4) in volcanic gas samples

The GC is from GOW MAC and modified specifically for the analyses of volcanic and hydrothermal gases. We use a Thermal Conductivity Detector (TCD) and a Flame Ionization Detector (FID) to determine the above gases.

The Wet chemistry for determination of CO2, SO2, H2S, HCl, HF involves use of an automatic titrator, specific ion electrodes and gravimetric techiques