羟胺衍生物的辐解研究

26120042JournalofNuclearandRadiochemistryVol.26No.1Feb.2004:2003209201;:2003210221:(1964),,,,:025329950(2004)01200482051N,N21,1,1,1,2,2,211,201800;21,102413:,N,N2:101000kGy,N,N2;,500kGy,:N,N2;;;:O613161:A,N,N2,PUREXPu()Np()[1,2],,[3],,N,N2111160Co,;GC900A,;N2000,(0.53mm50m),,,[3]112N,N2,,,9816%:FFAP(0.25mm25m),:60,:N2,:40mL/min,:130113012mol/LN,N2,4mL7mL,,,3161015Bq60Co,10,50,100,5001000kGy()2211N,N2[3],11,,,,,21C1C4Fig.1GaschromatogramofClC4hydrocarbonsinthestandardmixedgas(Twostepstemperatureprogramming):(Firststep):(Initialtemperature),40;(Initialisothermalperiod),9min;(Programmedheatingrate),6/min;(Finaltemperature),88;(Finalisothermalperiod),1min(Secondstep):(Initialtemperature),88;(Initialisothermalperiod),1min;(Programmedheatingrate),3/min;(Finaltemperature),130;(Finalisothermalperiod),1min(Detectortemperature):1802N,N2Fig.2TypicalgaschromatogramofgassampleproducedbyradiationdegradationofN,N2diethylhydroxylaminesolution941:.12,N,N222212222212N,N2,;,,,,[4]36,,,,,,,105261,012mol/LN,N2Table1Volumefractionofdifferentlighthydrocarbonsproducedbytheradiationdegradationof0.2mol/LN,N2diethylhydroxylaminesolutionatdifferentradiationdoses10-6D/kGyCH4C2H6C2H4C3H8C3H6n2C4H8trans222C4H812C4H8cis222C4H8103161329177206140181891104715103(Undetected)(Undetected)(Undetected)505421363183127111488215011319321963(Undetected)(Undetected)100704.9196.336988.5525.10420.404.378(Undetected)(Undetected)5001879924.4897032.968.57951.642.9325.7882.642100029171475353176.239.333137.94.8866.1304.0041,10kGy,N,N2;50kGy,222;500kGy,12222,1:;,;,500kGy,,,,,3(1),N,N2(2)101000kGy,N,N2(3),,500kGy,:[1],,,1Np()Pu()[J]1,2001,35(1):83901[2],,,1N,N2Np()[J].,1999,33(2):971031[3],,,11[J].,2003,25(4):244248.[4]1[M].:,20001169.StudyonRadiationDegradationofHydroxylamineDerivatives.TheQualitativeandQuantitativeAnalysisofLightHydrocarbonsProducedbyRadiationDegradationofN,N2diethylhydroxylamineWANGJin2hua1,BAOBo2rong1,WUMing2hong1,SUNXi2lian1,ZHANGXian2ye2,HUJing2xin2,YEGuo2an21.ShanghaiAppliedRadiationInstitute,ShanghaiUniversity,Shanghai201800,China;2.ChinaInstituteofAtomicEnergy,P.O.Box275(26),Beijing102413,China151:.Abstract:ThequalitativeandquantitativeanalysisoflighthydrocarbonsproducedbyradiationdegradationofN,N2diethylhydroxylaminearereported.Theseanalysesareperformedonthegaschromatographyinwhichaporouslayeropentubularcolumncoatedwithaluminumoxideandaflame2ionizationdetectorareused.Whenthedosesarebetween10and1000kGy,themainlighthydrocarbonsproducedbyradiationdegradationofN,N2diethylhydroxylaminearemethane,ethane,ethene,propaneandn2butane.Thevol2umefractionofmethane,ethane,n2butaneandpropaneareincreasedwiththeincreaseofdose.Thevolumefractionofetheneisalsoincreasedwiththeincreaseofdoseatfirst,however,whentheabsorbeddoseishigherthan500kGy,Thevolumefractionofetheneisdecreasedwiththeincreaseofdose.Keywords:N,N2diethylhydroxylamine;radiationdegradation;lighthydrocarbons;gaschromatogram(37,Continuedfrompage37)Abstract:Anintegratedsamplingfacilityisdesignedforsamplinghigh2levelradioactivesludge(HLRS).Thedesigningguideline,structureofcomponents,assemblingandoperationaredescribedindetail.ThesamplerhasbeensuccessfullyusedtosampleHLRSfromHLLWstoragetanksformanyyears.Theopera2tionexperienceindicatesthatthesamplerworkssafelyandreliably.Byusingthissamplerarequestedvol2umeofHLRScanbequicklysampledfromanyselectedpositioninstoragetank.Keywords:high2levelradioactivesludge(HLRS);samplingsystem;sample2526