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 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.
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 examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of biochemical oxygen demand after n days, BOD<(Index)n>, using the dilution method (H 51)— 17 стр.
German standard methods for the examination of water, waste water and sludge; biological-ecological analysis of water (group M); determination of the saprobic index (M 2)— 18 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); detection of salmonellae in disinfected sewage sludge (S 13)— 14 стр.
Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 10: Testing and evaluation of water for irrigation— 11 стр.
