移動化學反應界面的理、實驗驗證及其應用研究.pdf

1、中國科學技術大學博士學位論文移動化學反應界面的理、實驗驗證及其應用研究姓名：曹成喜申請學位級別：博士專業(yè)：化學指導教師：錢逸泰何友昭2000.8.1!旦型蘭墊耋盔蘭堡主堂笙絲苧一莖塞i!墨AbstractFromtheworkbyFriedletal，weexpandedtheempiricalequationofionicactualmobility：m。。I：m。exp卜叩√五)(usedforI≤o1tool／1)，whichp。

2、ssessesimp。rtantuseinthestudieSfromChapter4toChapter8FromtheworkbyDemanRigoleandPospichaletal，theconceptofmovingchemicalreactionboundary(MCRB)wasdevelopedRelyingontheconcepts，aseriesofmovingchemicalreactionboundaryequati

3、ons(MCRBE)，includingDemanRigole’sequation，stationarychemicalreactionboundaryequations(SCRBE)andstationaryneutralizationreactiveboundaryequations(SNRBE)，wereformulatedInaddition，bothabsoluteandrelativejudgementexpressions

4、weredefinedfromMCRBEThetheoreticresultsshownthat：(1)theideaof‘precipitatereactivefront’byDeman—Rigole’s，whichisequivalentto，butdifferentfromthatofMCRB，isaspecialcaseofMCRB；(2)MCRBEis，inform，similartomovingboundaryequatio

5、n(MBE)，butinessenceisdifferentfromMBEInordertotesttheMCRBtheorythreemovingchemicalreactiveboundarymethods(MCRBM)weredeveloped，thethreemethodsaretheimprovedDeman—Rigole’sMCRBM，theelectrolytic—continuousflow—MCRBM(ECFMCRBM

6、)andECFmovingneutralizationreactiveboundarymethod(ECFMNRBM)Thefirstmethodisofmanyadvantages：(1)verysimple，(2)simultaneousmuIlltuberun(upto12tubesites)；butalsopossessesalotofdisadvantages：(1)impossibilityofobservingMCRBmo

7、vementdirectly(2)impossibilityofdeterminingthevoltagebetweenthetwoendsoftubeduringtherun。(3)theeffectofhydrogenandhydroxylionsgeneratedbyelectrolysisThelatertwomethod，howeverholdfollowingobviousadvantages：(1)onemayperfor

8、mtheexperimentsofMCRBwithoutthedisturbanceofthehydrogenandhydroxylionsgeneratedbytheelectrolysis；(2)manylqlnsmaybeperformedwithasingleagarosegel；(3)thelengthofprecipitatezonecanbedirectlydeterminedduringarunandevenaftera

9、run；(4)alargeamountoftheanolyteandcatholytecanbesaved；(5)agoodrepeatabilitymaybeachievedifproperexperimentalconditionsarechosenThevalidityoftheMCRBtheoryhasbeenprovedbythefollowingfactsandexperiments(1)DemanRigole’sequat

10、ioncanbededucedfromtheMCRBEinspecialcasetheformerhasbeenprovedbyDeman—Rigole’sexperimentssemiquantitatively(2)TheconceptofSNRBbyPospicholeta1canalsohederivedfromtheMCRBEinspecialcase，theequationhasbeenprovedbytheexperime

11、ntsofSNRBbyPospicholeta1(3)ThepredictionswithSCRBEareexactlyincoincidencewiththecomputersimulationsrestedonKohkansch’sbeharrliohefunction，viz，omegafunction，andtheexperimentsoftwoSNRBsbyPospich01(4)Thepredictionswiththeth

12、eoryOilMCRBare，quantitativelyinconformitywiththeexperimentsofelectromigrationreactionbetweenC02andOH。andthosebetweens仃ongacidandalkali(5)ThejudgementexpressionshavebeenprovedbythoseexperimentsbyDemanRigole，Pospicholetala

13、ndtheauthors，theconvenienceandefficiencyoftheexpressionshavebeenshownclearlyTheMCRBtheorywasfirstlyusedforisoelectricfocusing(IEF)Inchapter6，itwastheoreticallyprovedtheconditionalequationsdeducedforidealizedIEFarethesame