Interference in determination of ammonia with the hypochlorite-alkaline

Interference in determination of ammonia with the hypochlorite-alkaline

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1、46Anal.Chem.46-49usingtheexperimentaltitrationtimeandthecalibrationcurveLITERATURECITEDdeterminedbyregressionanalysis.TheaveragepercenterrorRuzicka,J.;Hansen,E.H.Anal.Chlm.Acta1975,57,145.fortheseunknownsoverfiveexperimentalsessionswasfoundRuzicka,J.;Hansen,E.H.Anal.Chlm.Acta197

2、8,99,37.Ruzlcka,J.;Hansen,E.H.Anal.Chlm.Acta1980,774,19.tobe4%.Betterldge,D.Anal.Chem.1978,50,632A.TheprecisionofasinglemeasurementwasstudiedateachRanger,C.B.Anal.Chem.1981,53,21A.concentrationbymakingfourinjectionsforeachsample.ARuzicka,J.;Hansen,E.H."FlowInlectionAnalysis";Wil

3、ey:NewYork,1981.summaryofthedataispresentedinTable11.ValuesforRuzicka,J.;Hansen,E.H.;Ghose,A.K.;Mottoia,H.A.Anal.Chem.relativestandarddeviation(RSD)forthisworkrangedfrom1979,51,199.Karlberg,B.;Theiander,S.Anal.Cbim.Acta1978,98,1.8%RSDtolessthan0.01%RSDwithanaverageof0.8%Hansen,E

4、.H.;Ruzicka,J.Anal.Chlm.Acta1976,87,353.RSD.Astrom,0.Anal.Chlm.Acta1979,105,67.Ruzicka,J.;Hansen,E.H.;Mosbaek,H.Anal.Chim.Acta1977,92,CONCLUSIONS235.Ramsing,A.U.;Ruzicka,J.;Hansen,E.H.Anal.Chlm.Acta1981,Resultsobtainedwiththissystemindicateitspotentialas129,1.FQher,2s.;Nagy,G.;T

5、Bth,K.;Pungor,E.Anal.Cbim.Acta1978,98,adetectorforflowinjectiontitrimetry.Themeasurements193.themselvesaretimemeasurementswhichcanbemadepre-Hansen,E.H.;Ghose,A.K.;Ruzicka,J.Analyst(London)1977,102,ciselyandaccurately.Oncethesystemiscalibrated,samples705.Zagatto,E.A.;Reis,B.F.;Fl

6、lho,H.Bergamin;Krug,F.J.Anal.Chim.canbetitratedrapidlysincespeedofanalysisisgovernedbyActa1979.109.45.thereturntobaselineoftheelectrodesignal.ImplementationRuzicka,J.:Hansen,E.H.;Zagatto,E.A.Anal.Chlm.Acta1977,88,1.ofahigh-qualityantilogcircuitmayprovidesomeimprove-Slanina,J.;Li

7、ngerak,W.A.;Bakker,F.Anal.Chlm.Acto1980,777,mentinthestabilityofthebaselineandthusyieldanoverall91.improvementintheperformanceofthesystem.Ruzicka,J.;Hansen,E.H.J.Chem.Educ.1979,56,677.Bates,R.G."DeterminationofpH:TheoryandPractice":Wiiey:NewYork,1973.ACKNOWLEDGMENTTheauthorsthan

8、kW.C.MateykaoftheUniversityofRF,CEWE~forreviewM

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