German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of oxygen consumption rate (S 6)— 9 стр.
German standard methods for the examination of water, waste water and sludge; gaseous constituents (group G); determination of dissolved oxygen using the membrane oxygen probe (G 22)— 15 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of water content, of dry residue and of solids content (S 2)— 7 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of loss on ignition and residue on ignition of the dry matter of a sludge (S 3)— 5 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.