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···、Determinationofchloratechloriteandbromateindrinkingwaterbyionchromatography1112ZHANGXian-taoLEIShou-chengHUFenLAIChao1．0100702．、。0.22μmIonpacAS19-HC4mm×250mm、IonpacAG19-HC、ASRS3004-mm、KOH、。ClO－2r=0.9994BrO－3r=0.9992ClO－3r=0.9998RSD＜5%88.5%～101.2%。、、、、。R135B1004－1257201312－1474－03DeterminationofchloratechloriteandbromateindrinkingwaterbyionchromatographyZHANGXian-tao*LEIShou-chengHUFenLAIChao*PhysicalandChemicalTestingDepartmentHohhotCenterforDiseaseControlandPreventionInnerMongolia010070ChinaAbstractObjectiveToestablishanoptimalmethodfordeterminationofchloratechloriteandbromateindrinkingwater．MethodsWatersamplewasfilteredthrougha0.22μmaqueousmembraneandthenthroughIonpacAS19-HCseparationcolumn4mm×250mmIonpacAG19-HCtypeprotectingcolumnASRS3004-mmanionsuppressorKOHconductivitydetec-tor．Thecomponentswerequalitativelydeterminedbyretentiontimeandquantitativelydeterminedbypeakarea．ResultsThismethodhadgoodlinearityClO－2r=0.9994BrO－3r=0.9992ClO－3r=0.9998andhighprecisionRSD＜5%there-coverieswere88.5%-101.2%．ConclusionThismethodissimplefastaccuratewithhighsensitivitylessinterferenceandbetterpracticability．KeywordsDrinkingwaterIonchromatographyChlorateChloriteBromate2010－－－23。、。、。。IARC1-62B7-8。GB/T5749－2006《》9、、0.7、0.7、0.01mg/L。、。11.1ICS－3000、AS40、、IonpacAS19-HC4mm×250mm、IonpacAG19-HC、ASRS3004－mm、0.22μm。500ml。1.2KOH11.00ml/min200μl50mA。1minmmol/L0.010.010.010.010.135.018.035.018.110.023.010.01.3·4741·201362912OccupandHealthJun.2013Vol.29No.121.3.1＜1.0μS/cm0.22μm。1.3.277.7%。GB/T5750.10－2006《》13.2.5.3。1.3.3。1.3.4ρCLO－2=1.0mg/ml0.173g100ml。1.3.5ρCLO－3=1.0mg/ml0.128g100ml。1.3.6ρBrO－3=1.0mg/ml0.130g100ml。1.3.7、、ρCLO－2、CLO－3、BrO－3=10.0mg/L1.0ml1ml0.9ml100μl0.07ml1.0ml100ml。1.3.8ρCLO－2、CLO－3、BrO－3=1.0mg/L10.0ml100ml。1.4GB/T5750.10－2006《》101。1、、22.10.00、0.50、1.00、2.50、5.00、7.50、10.00ml、1.3.87100ml0、0.005、0.010、0.025、0.050、0.075、0.100mg/L。2。2。2.2、3、、363。RSD1.9%～4.6%88.5%～101.2%。2n=6mg/Lmg/LClO－20.000～0.1000.99940.0024BrO－30.000～0.1000.99920.0050CLO－30.000～0.1000.99980.00503、n=6mg/Lmg/Lmg/L%RSD%%%10.00240.03000.0286～0.03094.687.2～95.191.60.00000.03000.0258～0.02771.986.0～92.488.50.00530.03000.0317～0.03343.288.0～93.592.420.00140.05000.0464～0.04803.590.0～93.291.80.00000.05000.0441～0.04722.888.2～94.590.30.00470.05000.0498～0.05223.790.3～95.094.230.00170.10000.0939～0.10321.992.2～101.595.40.00000.10000.0901～0.09872.390.1～98.793.50.00620.10000.1004～0.10852.894.2～102.3101.233.10.8、1.0、1.2ml/min1.2ml/min0.8ml/min1.0ml/min23min。3.2GB/T5750.10－2006。、·5741·201362912OccupandHealthJun.2013Vol.29No.12。3.350、100、200μl50、100μl200μl。4、、。1．J.199916157－58．2.J.200624124－26.3.J.··2000123185－190.4．J.2005172350－358.5．J.199814320.6．J.1998113147－150.7.J.2003203137－138.8．J.2002232203－204.9GB/T5749－2006．S.10GB/T5750.10－2006.S.2012－12－032013－02－221473ΔF=100.17C+1.4011r=0.9993。0.20μg/mlBPDRSD0.68%n=11。11FSbDL=3Sb/kk0.023μg/ml。61.2.2BPDRSD2.11%。6RSD2.13%。2.31.000g425ml3BPD0.50、2.5010.00ml1.2.21。1BPDn=3μgμgμg%RSD%28.185.033.34103.26.728．1825.051.7194.128．18100.0135.68107.52.41.2.2、BPD2。2BPDn=3BPDg/kgBPDg/kg10.03420.03320.04910.02210.02820.0813BPD、、BPD。1.J.2010479－10.2.J.200916211－13.3.J.2009193515－516.4GB5009.3－2010．S.2012－12－312013－02－20·6741·201362912OccupandHealthJun.2013Vol.29No.12