煙草中揮發(fā)性成分的指紋圖譜研究.pdf

1、中南大學(xué)碩士學(xué)位論文煙草中揮發(fā)性成分的指紋圖譜研究姓名：馬南南申請學(xué)位級別：碩士專業(yè)：分析化學(xué)指導(dǎo)教師：黃蘭芳20080101中南大學(xué)碩士學(xué)位論文ABSTRACTInrecentdecades，thequalitativeandquantitativetechniqueofcomplicatedanalyzessystem，whichconstitutedofnaturalanimalsandplantshasalreadymadema

2、rkedprogress，butforthechemicalcomposition、oftobaccostillneedfurtherstudiesWiththedevelopmentofinstrumentaltechniques，thetwowaychromatographicdatacanbeeasilyreceivedSOastoprovideaflattochemometricsthatCallresolvemuchmoreu

3、sefulinformationthananalyticalinstrumentsByutilizingthechromatographictechniquescombiningofchemometricsalgorithm，arapidmethodforthedeterminationofthevolatilecomponentsandthefingerprintsofcuttobaccohadbeendevelopedinthisp

4、aperThefirstchapterofthisthesisgivesageneralintroductionoftheproblemsoftobaccoindustryinourcountrytheapplicationofchemometricmultivariateresolutionmethodsandfingerprinttechniquetothecomplicatedanalyzesystemInchapter2，byu

5、singinformationcontentofchromatographfingerprintanduniformdesign，thethreeextractionconditions，namelytime，temperatureandthepercentofsolvent，havebeeninvestigatedmoptimumtime，temperatureandthepercentofsolventwere20min，170。C

6、and100％，respectivelyThenarapidmethodforthedeterminationofthevolatilecomponentsincuttobaccowasdevelopedInchapter3，withthehelpofAcceleratedSolventExtractionmethod，varythesolventssuchasnHexane，Dichloromethane，Acetone，Ethano

7、lwhichhavedifferentpolaritytoextractthevolatilecomponentThencomparedtheyieldofvolatilecomponentamongextractedbydifferentsolventsbvGC】ⅥStechniquesandchemometricsalgorithmTheobtainedresultscanprovideusefu“nformationforfurt

8、herstudyanddevelopmentoftobaccoInchapter4，thevolatilecomponentsincuttobaccofromtendifferentlocationswereinvestigatedandanalyzedbvGC】ⅥSandtheHeuristicEvolvingLatentProjectionsmethodMoreovertheG㈨Sfingerprintchromatogramsof