幾種熒光探針的合成及在有機(jī)溶劑中水含量檢測中的應(yīng)用.pdf

1、湖南大學(xué)碩士學(xué)位論文幾種熒光探針的合成及在有機(jī)溶劑中水含量檢測中的應(yīng)用姓名：張妍申請學(xué)位級(jí)別：碩士專業(yè)：環(huán)境科學(xué)與工程指導(dǎo)教師：牛承崗20100519碩上學(xué)位論文AbStraCtWatercontentisanimportantparameterino略anicsolvents，becauseitcanaf詫ctthenatureoftheorganicsolVents，andfurthertoinfluencethereactiono

2、ftheexperimentsItsmeasurementisofsignificantformanyindustriesandtechn0109iesThemaintaskofthispaperistodesignandsynthesissomenewfluorescentprobesthatcouldeasytodetectthewatercontentinorganicsolventsItsincludingthefollowin

3、gthreeaspects：(1)AnewprobeofpolaritysensitiveChaIconede“vativesRwassvnthesizedthroughtheSchiffbasereactionof4’N，Ndimethylamino4aminoChalconeandAnthraldehydeThefluorescencespectraoftheprobeindifferentsolventswerestudiedTh

4、enuorescenceintensityofprobewassignificantlyreducedwiththeincreasingofp01arityofsolventsandcanbeusedtomonitoringthewatercontentinorganicsolVentsIntheexperiment，theauthorstaketheethanolf0rex鋤ple，amethod0ffluorescenceanaly

5、sistodeterminatewatercontentinethanolwasproposedIntherangeofcaOOO～400％(v／v)，thenuorescenceintensityofRchangedasalinearfunctionofwatercontent，andthedetectionlimitcouldbeaslowasOO115％Additionally，themethodhastheadVantageso

6、fhighsensitivity，simpleandrapid(2)AnewnuofescencewaterprobeforthedeterminationofwatercontentinorganicsolVentsThedesignandtheanalyticalcharacteristicsofawatersensitivefluorescenceprobearedescribedAnewcomplexofRu(5aminophe

7、n)3wassynthesizedandusedasafluorescenceindicatorItisobservedexperimentallythatwithanincreaseofsolVentpolarity，theRu(5一aminophen)3fluorescenceintensitychangeddramaticallyAnditisdif傳rentfromtheotherRu(II)compounds，itisoxyg

8、eninsensitiVeItisdemonstratedthatsuchcomplexcanbeemployedasanindicatorforwaterdetectionduetoitsfavorablesensitivitytosolventpolarity(3)9AnthraldehydewaspreparedasanuorescenceprobefordeterminingwatercontentinorganicsolVen

9、tsChangingfromanonp01artoap01arsolventincreasesthesolVentinteractionwiththeemissionspectrumshiRstoIongerwavelengthsThefluorescenceintensityoftheprobeincreasedwiththeincreasingconcentrationofwaterIntherangeof000400％(V／V)，