分段流动分析法测定水中的氨氮

ToDetectNH42NInWaterWithSegmentedFlowAnalysis(223001)[]FS20.002mg/L,0.002mg/L,0.01225.0mg/L,,[];;[]O65[]B,,,OIFS2,0.002mg/L,,,11.1(OIFlowSo2lutionÓ)502,,,;1.21):;2)Brij235:(30%w/v)A2120110233;3):1mlBrij2351L;4):5%w/vEDTA;5):0.250mlBrij235250ml,;6):10N;7):50%;8):0.5g/L;9):1004.717g800ml1L,,100ul[5]JacksonRB.Fromicyroadstosaltystreams[J].P.N.A.S,2005(102):14487214488.[6]KaushallS.Increasedsalinizationoffreshwaterinthenorth2easternUnitedStates[J].P.N.A.S,2005(102):13517213520.[7]EnvironmentCanada.CanadianEnvironmentalProtectionAct:PrioritySubstanceListAssessmentReport2RoadSalts[M].EnvironmentCanada,Hull,2001.Quebec.[8]MaxeL.Sourcesofmajorchemicalconstituentsinsurfacewaterandgroundwater[J].NordicHydrology,2001(32):1152134.[9]GodwinKS.LongtermtrendsinsodiumandchlorideintheMohawkRiver,NewYork:Theeffectoffiftyyearsofroadsaltapplication[J].EnvironmentalPollution,2003(124):2732281.[10]JonesPH.Environmentalimpactofroadsalting[M].Chemi2calDeicersandtheEnvironment.Florida:1992(1):97.[11]BrigginsD.TheenvironmentalimplicationsofroadsaltinginNovaScotia[M].NovaScotiaDepartmentoftheEnvi2ronmentandNovaScotiaDepartmentofTransportationandCommunication.1989.[12]OhnoT.Levelsoftotalcyanideandsodiuminsurfacewateradjacenttoroadsaltstoragefacilities[J].EnvironmentalPollution,1990(67):1232132.[13]PaschkaMG.Potentialwaterqualityeffectsfromironcya2nideantickingagentsinroadsalt[J].WaterEnvironmentResearch,1999(71):123521239.[14]VeltmanS.Potentialforanaerobictreatmentofairportdei2cingfluids[M].Proceedingofthe1998ASCEConferenceonEnvironmentalEngineering:1998.2392244.[15]TurnbullDA.Theimpactofairportdeicingonariver:ThecaseoftheOuseburn,NewcastleuponTyne[J].Environ2mentalPollution,1995(88):3212332.042010222.1,,,660nm[1]2.2(1)12.3,,1);2)pH2,4,;[2]3)pH5272.41)EDTA22Na;2);3)pH,pH5272.550,,50,,,10215,,,,,;,10215,,33.12FlowSolu2tionÓy=1.17e5x+4.07e2,R=0.99993.23,6,1:RSD0.52%21.02%,0.52%22.78%;21(mg/L)(mg/L)(mg/L)RSD(%)(%)2.020.082.042.062.062.042.062.042.050.931.490.1930.0020.1910.1930.1920.1920.1910.1920.1920.520.522.880.142.802.812.792.832.812.782.801.022.783.3FlowSolutionÓ6,2FlowSolutionÓ2(mg/L)(mg/L)(%)11.090.5010.5061.011.100.5300.5422.211.110.5040.5060.411.120.5330.5271.111.130.5160.5272.111.140.5320.5370.94FlowSolutionÓ,,,[1]Flowersolution,OI,P.O.Box9010,collegestation,TX,7784229010.[2].():,1989:P2522258.14,