Water quality - Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detection (ISO 15682:2000); German version EN ISO 15682:2001
€84.58
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
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.
€56.17
Wastewater treatment plants - Part 11: General data required; German version EN 12255-11:2001
€63.27
Grease separators - Part 1: Principles of design, performance and testing, marking and quality control; German version EN 1825-1:2004
€122.34
Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton - Qualité de l'eau
€73.30
Water quality - Guidance standard on assessing the hydromorphological features of lakes - Qualité de l'eau
€84.02
Influence of metallic materials on water intended for human consumption - Dynamic rig test for assessment of surface coatings with nickel layers - Long-term test method - Influence des matériaux métalliques sur l'eau destinée à la consommation humaine
€64.01
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 - Guidance standard on interlaboratory comparison studies for ecological assessment - Qualité de l'eau
€51.24
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
Well and geothermal energy drilling - Vertical geothermal probe (U-shaped vertical geothermal exchanger with closed circuit coolant) - Execution, implementation, maintenance, abandonment - Forage d'eau et de géothermie
€107.33
Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods - Qualité de l'eau
