UOP 989 Trace Sulfur in LPG and Gaseous Hydrocarbons by Oxidative Combustion with Ultraviolet Fluorescence Detection
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UOP
Trace Sulfur in LPG and Gaseous Hydrocarbons by Oxidative Combustion with Ultraviolet Fluorescence Detection
N 989
Annotation
This method is for determining sulfur in liquefied petroleum gas (LPG) and gaseous hydrocarbons at concentrations ranging from 0.2 to 100 mg/kg (mass-ppm).
LPG samples are expanded into the gas phase before analysis. If any heavy sulfur compounds are present in the LPG that do not volatilize quantitatively with the LPG, they may be under-reported. The method can also be applied to the analysis of hydrogen and other gas samples. Halogens interfere at concentrations greater than approximately 0.3%.
This method is similar to ASTM Method D6667, "Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence," and ASTM Method D7551, "Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases and Natural Gas by Ultraviolet Fluorescence," but uses a different sample introduction system which may improve precision and accuracy.
Автоматический перевод:
Сера следа в LPG и газообразные углеводороды окислительным сгоранием с ультрафиолетовым флуоресцентным обнаружением
Этот метод для определения серы в сжиженном нефтяном газе (LPG) и газообразных углеводородах при концентрациях в пределах от 0.2 к 100 мг/кг (масса-ppm).
