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
€48.79
Water quality; fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutum (ISO 8692:1989); German version EN 28692:1993
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
€56.17
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
Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of dissolved organic carbon (DOC) (ISO/DIS 7827:1992)
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determination of the inhibitory effect of waste water on the light emission of photobacterium phosphoreum; luminescent bacteria waste water test; extension to the method DIN 38412 - L 34 (L 341)
€41.78
Water quality; sampling in deep waters for macro-invertebrates; guidance on the use of colonization, qualitative and quantitative samplers (ISO 9391:1993); German version prEN 23391:1994
Water quality; methods of biological sampling; guidance on handnet sampling of aquatic benthic macro-invertebrates (ISO 7828:1985); German version EN 27828:1994
Water quality; design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters (ISO 8265:1988); German version EN 28265:1994
German standard methods for the examination of water, waste water and sludge; biological-ecological analysis of water (group M); general information on planning and procedure in the biological examination of flowing waters (M 1)
German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 4: Determination of the genotoxic potential using the Salmonella microsome test (T 4)
€84.58
Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995); German version prEN ISO 11734:1997
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO/DIS 9408:1997); German version prEN ISO 9408:1997
€77.20
Water quality - Evaluation of aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO/DIS 9888:1997); German version prEN ISO 9888:1997
€63.27
Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:1995); German version EN ISO 10253:1998
