ASTM International - ASTM UOP864-12
Sulfur in Organic and Inorganic Materials by Combustion and IR Detection
|Publication Date:||1 July 2012|
This method is for determining total sulfur in organic materials, such aspetroleum products, and inorganic materials, such as catalysts, by combustion using a LECO S632 Sulfur Analyzer. The range of analysis is from 100% down to a lower limit of quantitation of 0.005 mass-% sulfur. Water and halogens, such as fluoride and chloride, must be removed from the carrier stream by using a trap to prevent acids from forming and damaging the infrared cell. For liquids, the method is generally limited to samples having initial boiling points above 200ºC. However, it can be applied to some wider boiling range samples, such as crude oils, where experience has shown that no losses occur during the combustion process.