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ASTM International - ASTM UOP936-16

Combined Nitrogen in LPG by Chemiluminescence

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Organization: ASTM International
Publication Date: 3 August 2016
Status: inactive
Page Count: 14
scope:

This method is for determining combined nitrogen in liquefied petroleum gas (LPG). The method determines all nitrogen compounds that are extractable by aqueous acid, including ammonia, amines, nitriles and amides. The method is particularly useful for LPG samples containing nitrogen species, such as ammonia and amines, which can readily adsorb on stainless steel surfaces in contact with the LPG. The procedure yields quantitative results in the range of approximately 0.2 mass-ppm (mg/kg) to approximately 3 mass%.

This method is also used as a preparation step for the analysis of basic nitrogen in LPG by UOP Method 939, "Basic Nitrogen in LPG by Ion Chromatography."

Document History

May 18, 2020
Combined Nitrogen in LPG by Chemiluminescence
This method is for determining combined nitrogen in liquefied petroleum gas (LPG), including propylene. The method determines all nitrogen compounds that are extractable by aqueous acid, including...
ASTM UOP936-16
August 3, 2016
Combined Nitrogen in LPG by Chemiluminescence
This method is for determining combined nitrogen in liquefied petroleum gas (LPG). The method determines all nitrogen compounds that are extractable by aqueous acid, including ammonia, amines,...
July 29, 2002
Combined Nitrogen in LPG by Chemiluminescence
This method is for determining combined nitrogen in liquefied petroleum gas (LPG). The method determines all nitrogen compounds that are extractable by aqueous acid, including ammonia, amines,...
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