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Volatile Sulfur in Natural Gas, Refinery Gas, and Liquified Petroleum Gas
Abstract:
An Agilent 6890 equipped with an FPD (flame photometric detector) is used to characterize low level sulfur compounds in natural gas, refinery gas, and LPG (liquid petroleum gas) using a J&W 105 m x 0.53 mm x 5.0 um DB-1 column. Analysis of volatile sulfur to less than 100 ppb can easily be performed with a volatiles interface (VI) connected to a 6-port gas-sampling valve. The system as configured provides a cost-effective solution for the determination of odorants in natural gas. Coelutions of hydrocarbons and sulfur compounds that result in signal quenching are documented.
Keywords:
FPD, volatiles interface, volatile sulfur, GC-AED, GSV, H2S, COS, mercaptans, sulfides, low-level gas analysis, natural gas, odorants, LPG, refinery gas, Heteroatom Compounds
Publication Number:
5988-2791EN
Last Updated:
11/2/2009
Number of Pages:
10
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