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3SIN&TNOLOGYINFORMTION2008NO.28SCIENCE&TECHNOLOGYINFORMATION(COD),,,COD(CODcr)CODcr,,,,,,,,,,COD1,,,,KMnO4COD,CODMn,Cl300mg/L,,CODOH22.1(2h),,,,Ag+Hg2+Al3+Mn042-,20min,,15min,,COD,165,12minCOD,,,15min,,,DVMOD(5min),Ag2SO4-CuSO4Ag2SO4,Hg2SO4Ag2SO4,,,,2.2Ag2SO4,90%,,,(NH4)6Mo7O24,Ag2SO4Ag2SO4NiSO4(0.30.7)Ag2SO4,Ag2SO4-CuSO4Ag2SO4,2.3COD,Cl-Cl-Ag2SO4,AgCl;Cl-Cl2,COD,0.4gHgSO4,Cl-B[HgCl-],Cl-Cl-,,,COD,Cl-(),Cl-;,10min,VaidyaCl-HCl,HCl,Cl-,Cl-HCl33.1COD:140,Cl-HCL,4min,COD,,OD3.2,,,Cr6+Cr3+,Cr6+Cr3+CODCOD,COD,,350nmCr(),COD3.3(FIA)COD,COD,,3.4COD,,COD,COD,COD(FI),,,CODTysonFICOD,,KMnO4,COD,COD0100mg/LFICODFI,,COD,KMnO4KMnO44,,,,CODCOD,(071051):,,,:COD:X13:A:1672-3791(2008)10(a)-0083-018CECEECHAelalleCC