German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)— 14 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)— 8 стр.
German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)— 16 стр.
German standard methods for the analysis of water, waste water and sludge; Summary action and material characteristic parameters (group H); Determination for the chemical oxygen demand (COD); short duration method (H 43)— 11 стр.
