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FHZDZDXS0086F-HZ-DZ-DXS-0086300mg/L0.4mg/L4mg/L2mg/L33.11+3100mLH2SO41.84g/mL300mL[c(451KMnO)=0.01mol/L]3.2[c21Na2C2O4=0.0100mol/L]0.6700g1051102hNa2C2O41000mL5mL1+33.33.3.1[c451KMnO=0.01mol/L]3.2g1000mL10min4KMnO13.3.2[c451KMnO=0.1mol/L]10[c21Na2C2O4=0.0100mol/L]10.0mL703.3.2VCKMnO4=V10010×.11CKMnO4mol/LV10.0mL[c21Na2C2O4]=0.010mol/L]mL44.1COD355.1100mL250mL100mL5mL1+310.0mL[C451KMnO=0.01mol/L]30min()10.0mL7066.122oρCODρ=()V100099977VVC21××−×.222oρCODρCODmg/L-O2Cmol/LV110mLmLV210.0mLmL27.99971.00mL[c451KMnO=1.000mol/L]VmL783.5mg/L,0.14mg/L4.0%8[1]DZ/T0064.68-93.[S]..1996190-191.[2].GB/T85381995[S]..1996107-109.[3][J]..19884.132-134.[4]..2[M]..1974866-868.3