German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of total organic carbon (TOC) (H 3)— 10 стр.
Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC); German version EN 1484-1997— 14 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.
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 analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC); German version EN 1484-1997— 14 стр.