German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of oxygen depletion in after n days (H 52)— 8 стр.
German standard methods for the examination of water, waste water and sludge; gaseous constituents (group G); determination of dissolved oxygen in water, Winkler iodometric method (G 21)— 11 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.
Water quality - Determination of biochemical oxygen demand after n days (BOD<(Index)n>) - Part 2: Method for undiluted samples (ISO 5815:1989, modified); German version EN 1899-2:1998— 16 стр.
Water quality - Determination of biochemical oxygen demand after n days (BOD<(Index)n>) - Part 2: Method for undiluted samples (ISO 5815:1989, modified); German version EN 1899-2:1998— 16 стр.
