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|標題:||Trap and desorption GC/MS for detection polycyclic aromatic hydrocarbons in motorcycles emission||作者:||Lee, M.R.
|關鍵字:||polycyclic aromatic hydrocarbons;GC/MS;motorcycle;trap and desorption;performance liquid-chromatography;combustion;diesel;pah||Project:||Analytical Letters||期刊/報告no：:||Analytical Letters, Volume 33, Issue 14, Page(s) 3077-3092.||摘要:||
The application of trap and desorption GC/MS to monitoring of sixteen PAHs in the exhaust emissions from motorcycles was investigated. The time of sampling and analysis for one sample is in 40 minutes. The relative standard deviations were estimated from 20% to 34% for monitoring the total concentrations of PAHs from the emissions of motorcycles. The PAH concentrations appeared to show distinct variations with the stroke, engine size and the aging of motorcycles. The predominate of PAI-Is in the emissions of motorcycle were naphthalene, fluorene, anthracene, fluoranthene and pyrene. Naphthalene exhibited the highest concentration that was obtained over 79% of the total concentration of sixteen PAHs in the emissions of the over nine years old motorcycles.
|Appears in Collections:||化學系所|
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