二維氣相色譜歸一化法定量分析汽油、航空煤油和柴油中的芳烴

1、南京理工大學(xué)碩士學(xué)位論文二維氣相色譜歸一化法定量分析汽油、航空煤油和柴油中的芳烴姓名：沈偉健申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：王正萍關(guān)亞風(fēng)20040301墮主笙窶蘭塑魚堂塑型墾墮堇查里二些蓮坌叢塑塑些窒堡塑!塑莖堡——————一TwodimensionalCapillaryGCfortheAnalysisofAromaticsinGasoline，AviationKeroseneandDieselFuelbyNormalizat

2、ionMethodAbstractThearomaticsingasoline，aviationkeroseneanddieselwasseparatedwellbycapillaryGCusingcolumnswitching—backflushingtechniqueandquantitativelyanalyzedbynormalizationmethodThearomaticshavingcarbonnumberofnarere

3、tainedafternCn十3ontheFR心precolumnandwerecutandbackflushedaftertheelutionofnCn3，ontoanaapolaranalyticalcolumnandwereseparatedaccordingtOtheirboilingpointsSincetheearlierelutingcomponentsfromthepre—columnandthearomaticsand

4、i『leaviersaturatesfromtheanalyticalcolumnarealldirectedtothesameFIDdetectorthrougha‘T’piece，afactorcorrectednormalizationmethodcanbeappliedforquantitativeanalysisTheresistanceoftheresistoraftertheprecolumnisdesigned7time

5、shigherthanthatofanalyticalcolumnresultingin64timeshighercarriergasflowrateafterback—flushingThechromatographicbandsarecompressedenhancingthesensitivity3timesmoreforaromaticsandheaviersaturatesThearomatics，frombenzenetOC

6、9inthegasoline，frombenzenetoCllintheaviationkerosene，wereseparatedwellandquantitativelyanalyzedTheswitchingtimewindowiSmorethan18secondsAndtheRSDofreproducibilityoftheanalysisis≤40％Keywords：Columnswitchingbackflushingtec