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This method is for determining low percent levels of acetylenes in crude butadiene feedstock and product, and is specifically applicable to KLP process streams. The following components and group classifications may be reported: methane, ethane, ethylene, propane, cyclopropane, propylene, isobutane, acetylene, n-butane, propadience, trans-2-butene, 1-butene, isobutylene, cis-2-butene, isopentane, n-pentane, 1,2-butadience, methyl acetylene, 1,3-butadience, 3-methyl1-1-butene, trans-2-pentene, 2-methyl-1-butene, vinyl acetylene, ethyl acetylene, 2-methyl-2-butene, and total heavies. Components that do not elute from the chromatographic system under the specified conditions are not determined. The range of quantitation for any compound is 0.01 to 99.9 mass-%. The analysis is applicable to laboratory or on-line use..
ASTM UOP983-04, Acetylenes in 1,3-Butadiene by GC, ASTM International, West Conshohocken, PA, 2004, www.astm.orgBack to Top