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This method is for determining C5 and lighter diolefins, mono-olefins, and paraffins in olefinic naphthas. Resolved acetylenes, and resolved C6 hydrocarbons, including resolved dienes, are also identified. The method is applicable to selective hydrogenation process feeds, products, and other process streams with similar matrixes having a final boiling point of 260° or lower. Components that do not elute from the chromatographic system under the specified conditions are not determined. The lower limit of detection for any compound is 0.01 mass %.
ASTM UOP980-03, C5 and Lower Boiling Dienes, Olefins, and Parafins in Naphthas by GC, ASTM International, West Conshohocken, PA, 2003, www.astm.orgBack to Top