Determination of Toxic Chemicals in Exhaust Gas(VI). Determination of Acrylamide by GC/MS and GC/FTID.:—Determinaion of Acrylamide by GC/MS and GC/FTID—

概要

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Study on the determination of acrylamide in exhaust gas was conducted for two methods. In one method, acrylamide was collected by using Sep-Pak Plus PS-2 cartridge conditioned with methanol and was eluted with methanol. Propionamide was added to the eluate as an internal standard for capillary gas chromatography-mass spectrometry (GC/MS) and gas chromatography -flame thermoionic detection (GC/FTID) . In the other method, acrylamide was collected by bubbling the sample through 20me of water. After dibromination, extraction, dehydrobromination and addition of the internal standard, acrylamide was determined by GC/MS and GC/FTID. The detection limits, the relative standard deviations and the recoveries in the former method were 21.8μg/m3, 3.2-6.6%, 99.8%-102% in the GC/MS, and 89.0μg/m3, 5.3-9.0%, 99.9%-108% in the GC/FTID, respectively. Those in the latter method were 37.3μg/m3, 6.6-7.8%, 88.7%-97.6% in the GC/MS, and 63.7μg/m3, 3.7-9.1%, 79.6%-94.0% in the GC/FTID, respectively. The both methods were successfully applied to determine acrylamide in exhaust gas.
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