SYMPOSIA PAPER Published: 01 January 1990

Analysis of Low-Concentration-Level Gaseous Sulfur Compounds in the Atmosphere


Intentional sulfur doping of the flame photometric detector results in a quasilinear response with a linear dynamic range of ∼100, a significantly reduced detection limit of ∼3 pg of sulfur, and a graphic display of interferences caused by response quenching. The use of Teflon for all sample lines and valves is shown to result in significantly smaller analyte losses for several important volatile sulfur species including SO2, CH3SCH3 [dimethyl sulfide (DMS)], and H2S. Ozone interference is shown to be a major problem in the quantitation of ambient levels of DMS using both solid sorbant and cryogenic enrichment techniques. The relative merits of several ozone removal procedures are discussed.

Author Information

Goldan, PD
National Oceanic and Atmospheric Administration, Boulder, CO
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Developed by Committee: D22
Pages: 114–132
DOI: 10.1520/STP17190S
ISBN-EB: 978-0-8031-5116-1
ISBN-13: 978-0-8031-1271-1