8Best D G,De Casser K E.Determination of COD using a sealedtube-method[J].Water Pollution Control,1978,77(1):138.
9Del Valle M,Poch M,Alonso J,et al.Evalution of microwave digestion for chemical oxygen demand determination[J].Environ.Technol.1990,11(2):1 087-1 092.
10Robreva D,Areva Z.Determination of chemical oxygen demand of wastewaters from refinery and petrochemical industry by microwave heating[J].Anal.Lab.,1994,(3):183-187.
