German Standard Methods for the Analysis of Water, Waste Water and Sludge; Bio-assays (Group L); Determination of Biodegradability by Use of Special Methods of Analysis (L 24)— 9 стр.
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the total nonfilterable residue and residue on ignition (H2)— 8 стр.
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; test methods using water organisms (group L); determination of biodegradability; static test (L 25)— 12 стр.
Water quality; evaluation of the aerobic biodegradability of organic compounds in an aqueous medium; static test (Zahn-Wellens method) (ISO 9888:1991); German version EN 29888:1993— 15 стр.
Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of released carbon dioxide (ISO 9439:1990); German version EN 29439:1993— 16 стр.
Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method of determining the oxygen demand in a closed respirometer (ISO 9408:1991); German version EN 29408:1993— 19 стр.
