应用哈希COD测定仪测定废水中COD(高量程)方法的优

CODCOD()1,2,1,2,X2,3,1(1.,430074;2.,525000;3.,200234):CODCOD,HACH2COD():60minH2SO422.50mL1P6K2Cr2O7=1.5molPL,(RSD)1.0%,95.4%107.7%:HACH2COD;;(COD)COD,,,,[1];COD,,COD,,(HACH)COD2DR890,,,11.1HACHCOD2(10mL);HACHDRB200COD;HACHDR890;:1P6K2Cr2O7=017511001125115011752100molPL(COD5000mgPL),H2SO42Ag2SO4(1%):500mLH2SO45gAg2SO4,12,1.2HACHCOD2HgSO4,2.50mL1%H2SO42Ag2SO4,0.50mL(1P6K2Cr2O7,),2.00mL,,HACHCOD,(150)120min120,DR890COD22.12.1.12mL500mgPLCOD122,HgSO4,2.5mLH2SO42Ag2SO4,0.50mL(1P6K2Cr2O7=1.5molPL),(+(500mgPL)),20406080100120min,1.211,40minCOD,,40min,5732720085ChineseJournalofAnalysisLaboratoryVol.27.Suppl.2008-5X:(1982-),,;E2mail:[e-mail]120min1COD2.1.22mL500mgPLCOD122,HgSO4,H2SO42Ag2SO4(110115210215310315mL),0150mL(1P6K2Cr2O7=115molPL),(+),1.222COD2,,H2SO4,COD;H2SO42Ag2SO42.5mL,50%,1%H2SO42Ag2SO42.5mL2.1.3K2Cr2O7,K2Cr2O72mL500mgPLCOD122,HgSO4,2.5mLH2SO42Ag2SO4,0.50mL(1P6K2Cr2O7=017511001125115011752100molPL),(+(500mgPL)),11233COD3,1P6K2Cr2O71.5molPLCOD,1.5molPL1P6K2Cr2O7=1.75molPL2.22.2.1COD,11(n=5)P(mgPL)CODP(mgPL)P(mgPL)RSDP%5004924984874904994930.9412001281129412731294127712840.681,COD5001200mgPL5,,0168%0194%,COD,2.2.2()600mgPL,,,26732720085ChineseJournalofAnalysisLaboratoryVol.27.Suppl.2008-52(n=5)P(mgPL)P(mgPL)P(mgPL)P%607350984107.7628350982101.163235096695.461935096197.862835097298.32,95.4%107.7%,,2.3,113,COD30060090012001500mgPL,,y=110756x-318743,0199983,H2SO42Ag2SO4120min2150mL1P6K2Cr2O7=115molPL,,,(RSD)110%,9514%10717%,[1].().:,2002.2107732720085ChineseJournalofAnalysisLaboratoryVol.27.Suppl.2008-5