Chemical disinfectants and antiseptics - Bactericidal activity of products against Legionella pneumophila - Test method and requirements (phase 2/step 1); German version prEN 13623:1999
€63.27
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version prEN ISO 9439:1999
€84.58
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 48: Toxicity test with Arthrobacter globiformis for contaminated solids (L 48)
€41.78
Water quality - Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:1995); German version EN ISO 11733:1998
€69.91
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria (ISO 11348-1:2007); German version prEN ISO 11348-1:2008
€105.42
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria (ISO 11348-2:2007); German version prEN ISO 11348-2:2008
€98.32
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007); German version prEN ISO 11348-3:2008
German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 9: Determination of enterobacterial common antigen (ECA) for the detection of lactose-fermenting enterobacteriaceae (K 9)
€48.79
Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO 7899-3:2025); German version EN ISO 7899-3:2025
€77.20
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria (ISO/DIS 9308-4:2025); German and English version prEN ISO 9308-4:2025
Testing water. Detection and enumeration of group D streptococci. General method by membrane filtration.
€34.00
German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25)
€134.02
Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) Part 1: Method by enrichment in a liquid medium
€51.00
Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) Part 2: Method by membrane filtration
Qualité de l'eau - Méthodes de comptage et d'identification des cyanobactéries pour le contrôle sanitaire des eaux de baignade et de production d'eau potable
€107.33
