分子印迹固相萃取毛细管电泳法同时测定水中酚吕运开

檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲殘殘殘殘/071002/、。95%33。3r≥0．99920．0488～0．809μg/kg87．2%～100．4%n=5、n=3RSD1．89%～5．63%、6．91%～8．14%。、、。TU991C1000－4602201124－0096－03B201120108110967126D2006407SimultaneousDeterminationofPhenolsinWaterSamplesUsingMolecularlyImprintedSolid-phaseExtractionCoupledtoCapillaryElectrophoresisLVYun-kaiSUNYue-naWANGXiao-huZHAOChen-xiCollegeofChemistryandEnvironmentalScienceHebeiUniversityBaoding071002ChinaAbstractAnewmethodofmolecularlyimprintedsolid-phaseextractioncoupledtocapillaryelec-trophoresiswasdevelopedforthesimultaneousdeterminationofphenolresorcinolandp-nitrophenolinwatersamples．Themolecularlyimprintedpolymermicrospheressynthesizedbysuspensionpolymerizationshowhigheradsorptionrate95%andenrichmentfactor33timesforthetemplatemoleculeundertheoptimizedsolid-phaseextractioncondition．Thelinearityissatisfactoryforthreekindsofphenolsintheconcentrationrangewithagoodcorrelationcoefficientr≥0．9992．Thedetectionlimitsandthere-coveriesare0．0488to0．809mg/kgand87．2%to100．4%respectively．Theintra-dayn=5andinter-dayn=3precisionsRSDare1．89%to5．63%and6．91%to8．14%respectively．Thismethodissimplerapidandaccurateandissuitablefordeterminationofphenolsinenvironmentalwa-ter．Keywordsmolecularlyimprintedpolymersolid-phaseextractioncapillaryelectrophoresisp-nitrophenol、、·69·2724201112CHINAWATER＆WASTEWATERVol．27No．24Dec．2011。、/1、、23。4。/。。11.1TH－3000CXTH－300050cm×75μmidpHS－3C。GBW＜E＞080470、GSB07－1250－2000、GSB07－1037－1999MAAEDMASigmaAldrichAIBN、、、。、0．5mg/mL。1.254g100mL250mL400r/min。0．5mmol、4．0mmolMAA、25．0mmolEDMA、15mL120mgAIBN。400r/min60℃24h。、、3/9∶1V/V。50℃。1.3、、、pH5．00．45μm。50mg1mL。1mL、0．5mL10mmol/LpH5．010mLpH5．00．5mL10mmol/LpH5．00．3mL。1.410．71kPa×9s20℃254nm17kV50mmol/L—20mmol/LSDSpH9．185min。22.1pHpH。pH3．0～10．01．5μg/mLpH。pH5．03。0．4mL/min1．5μg/mL。38mL10mL。。10mL。。0．1mL/min0．3mL。。2.2·79·．watergasheat．com/272495%80%。333。2.3、、3。、1．5μg/mL53d、331。1、Tab．1LinearregressionequationLODandprecision/μg·mL－1/μg·kg－1RSD/%n=5n=30．5～30Y=339．88+792．01X0．99950．534．537．450．5～30Y=318．90+519．08X0．99920．8095．638．140．1～30Y=2279．51+8604．94X0．99970．04881．896．912.4、、、3。287．2%～100．4%。2Tab．2Experimentalresultsofrecoveries/μg·mL－1/%4．590．497．598．993．94．596．288．294．687．21．5100．496．295．997．93、。/、、。1．—J．200430230－32．2．－J．200634151－154．3LiTingtingJiaQiongSongLihuaetal．Couplingpoly-methacrylicacid-co-ethyleneglycoldimethacrylatemonolithmicroextractiontocapillaryelectrophoresisforthedeterminationofphenolsinwatersamplesJ．Talan-ta2009781497－1502．4．－J．201028111107－1110．5QuGuorunWuAiboShiXizhietal．Improvementonanalyteextractionbymolecularlyimprintedpolymermi-cros[e-mail]2011－05－06·89·2724．watergasheat．com