ApplicationoftheRP-HPLCtothecompetitiveabsorptionoforganiccontaminantsXinMeihua,LiMingchun,LanXinren,DengJun(KeyLaboratoryofFunctionalMaterialsforFujianHigherEducation,CollegeofMatericalScienceandEngineering,HuaqiaoUniversity,Quanzhou362021,China)RP-HPLC,,,(,,362021)[]-,、、pH、,、2,4-、、、、2,4-、7。CTS。[];;;[]O631.1[]A[]1005-829X(2009)01-0068-03Abstract:ThedeterminationoforganiccontaminanthasbeencarriedoutbyRP-HPLCwithUVdetection.Theeffectsofthefactors,suchascomponent,concentration,pHandflowrateofthefluidphaseontheseparationarestudied.Theoptimalchromatographicconditionsfortheseparationanddeterminationofsevenorganiccontaminantsareobtained.Theexperimentalresultsareappliedtothedetectionofcompetitiveabsorptionoforganiccontaminantsonthemodifiedchitosanmicrospheres.Keywords:reversephase-highperformanceliquidchromatography(RP-HPLC);organiccontaminants;chitosan;competitiveadsorption[](E0540001E0810019),,、〔1〕。,,、、〔2〕。,,〔3-4〕。。,,,、,〔5-6〕。(RP-HPLC)-,、、pH、,7RP-HPLC。、2,4-、、、、2,4-、(CTS)。11.1:LC-6A(),7125(20μL),SPD-6AV,ShimpackCLC-ODS(D4.6mm×200cm,5μm);3000();KQ-100DE();ORION828pH(ORION);Milli-Q();(29120091IndustrialWaterTreatmentVol.29No.1Jan.,200968)。:、2,4-、、、、2,4-、,,1mg/mL,。,Milli-Q。1.20.03mol/LHAc-NaAc,HAcpH3.60,0.45μm,20min。50%,1mL/min,(20~24℃),275nm,2,20μL。-。1.3CTS0.1gCTS,20mL、pH=3.607,30℃(120r/min)2h。,2.210μLHPLC,,CTSQQe,(1)、(2)。Q=(C0-Ce)/C0(1)Qe=(C0-Ce)V/W(2):Q———,%;C0———,mg/mL;Ce———,mg/mL;Qe———,mg/g;V———,mL;W———CTS,g。22.1、2,4-、、、、2,4-,,1。210~230nm,,,7UV275mm。2.27,,,HAc-NaAc。,,,,,HAc-NaAc0.03mol/L。,,-。,。2.30.03mol/LHAc-NaAc,,2。2,,。40%~50%,40%,,47.5min,,50%。2.4pH0.03mol/LHAc-NaAc,HAcNaOHpH。1∶1,pH,,:RP-HPLC2009-01,29(1)17UV1—;2—2,4-;3—;4—;5—;6—2,4-;7—。21—;2—2,4-;3—;4—;5—;6—2,4-;7—。693。3,pH3.0~3.2,2,4-;pH4.5~5.0,2,4-,,pH,。7pH=3.60。2.50.03mol/LHAc-NaAc(pH3.60)1∶1,,4。4,1.2mL/min,,。,。1.0mL/min0.8mL/min,0.8mL/min,29min,,1.0mL/min。,50%+0.03mol/LHAc-NaAc(pH=3.60),1.0mL/min,(20~24℃),275nm,20μL,2。7,5。5,25min7。2.6,pH=3.60HAc-NaAc,(S/N=2)1。710,2%。1(mg·L-1)H=a*C+bR2/(μg·L-1)RSD/%(n=10)0~80H=9.90C-1.980.99950.111.472,4-0~50H=248.14C+17171.220.99990.071.820~90H=108.34C+10.830.99990.081.700~50H=353.36C+1.410.99220.061.790~180H=39.22C+0.390.99840.311.772,4-0~160H=19.01C+0.060.99960.841.550~350H=1.79C+0.020.98501.001.33:C(mg/L),H(μV)。2009-01,29(1)3pH1—;2—2,4-;3—;4—;5—;6—2,4-;7—。41—;2—2,4-;3—;4—;5—;6—2,4-;7—。51—;2—2,4-;3—;4—;5—;6—2,4-;7—。2.7,7、、、、、、、,,,,,,、、。2.8CTS2.3,0.1gCTS,20mL、pH=3.6,。,HPLC(73)70,CTS,2。,CTS,。,2,4-。2.97,,RP-HPLC。7,3。3,96%~105%,RP-HPLCCTS,。3(RP-HPLC)-、2,4-、、、、2,4-,7RP-HPLC。CTS,96%~105%,。[][1].[M].:,1995:645.[2],.-[J].,2004,23(9):36-38.[3].[J].,2000,8(2):1-6.[4],,,.[J].,2002,18(5):58-63.[5]TornblomJK,BureykoTFW,MackinnonCD.Simulatingphe-nolhigh-performanceliquidchromatographyretentiontimesasthepHchangesmobilephasepHversusbufferpH[J].JournalofChromatographyA,2005,1095(1/2):68-73.[6],,,.[J].,2005,33(1):69-72.2C0/(g·L-1)C1/(g·L-1)Q/%Qe/(mg·g-1)0.03790.0379002,4-0.02830.012356.53.200.02760.023714.10.780.02880.02706.30.360.02900.024814.50.842,4-0.08940.078911.72.100.73600.356851.575.841,4.1%,0.2%,2.0%,。3.2.5,,。,。,()。0.5h0.5h(),,。4、、、、、、,,,,4.1%,5%。,。[](1964—),1988,。:13837592808,E-mail:gaohong5624@sina.com.cn。[]2008-10-05():2009-01,29(1)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1、、2007-10-162007-10-182007-10-20/(m3·h-1)666268/mLSV/%MLSS/(mg·L-1)SVI/(mL·g-1)/%MLVSS/(mg·L-1)/(kg·kg-1·d-1)/d/(t·h-1)5010050100501003534323437392810280027502700288028501251211161261281372930313330321995196018981809201619380.1320.1350.1460.1530.1400.14615.214.813.713.114.313.74.114.224.564.774.374.56/%xmax=1.7xmin=0.2x=1.2xmax=4.1xmin=0.9x=2.5xmax=3.4xmin=0.5x=2.3/%xmax=4.1,xmin=0.2,x=2.0(70)[](1962—),,2004,。:0595-22690917,E-mail:mcli@hqu.edu.cn。[]2008-10-05()3/(g·L-1)/(g·L-1)/(g·L-1)/(g·L-1)/%0.025270.015260.041290.01602105.02,4-0.013330.016880.030190.0168699.90.016520.011460.028240.01172100.70.008770.005630.014490.00572101.60.036260.022690.058850.0225999.62,4-0.070090.045060.113840.0437597.10.216480.375150.579010.3625396.673