Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022); German version EN ISO 23196:2023
€91.03
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 37: Determination of the inhibitory effect of water on the growth of bacteria (Photobacterium phosphoreum cell multiplication inhibition test) (L 37)
€41.78
Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton - Qualité de l'eau
€73.30
Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water - Qualité de l'eau
€82.00
Water quality - Determination of the toxicity of fresh water sediments to Hyalella azteca - Part 1 : natural sediments - Qualité de l'eau
Water quality - Fresh water algal growth inhibition test with unicellular green algae - Qualité de l'eau
Water quality - Biochemical and physiological measurements on fish - Part 3 : determination of vitellogenin - Qualité de l'eau
€83.85
Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods - Qualité de l'eau
Water quality - Calanoid copepod early-life stage test with Acartia tonsa - Qualité de l'eau
€100.63
Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes - Qualité de l'eau
€51.24
Water quality - Guidance for the surveying of aquatic macrophytes in running waters - Qualité de l'eau
€89.33
Water quality - In vivo measurement by fluorescence of the endocrine disrupting effects of natural waters and wastewater - Part 1 : measurement of the effects on the thyroid axis of amphibian embryos (Xenopus Laevis)
€117.00
Water quality - In vivo measurement by fluorescence of the endocrine disrupting effects of natural waters and wastewater - Part 2 : measurement of the effects on the oestrogenic activity and of the aromatase enzyme activity of fish embryos (Oryzias latipes)
Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum
Water quality - Samplin, treatement and determination of the oligochaeta in sediment of continental surface waters
€93.67
