Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO headspace test) (ISO 14593:1999); German version prEN ISO 14593:2005
€84.58
Water quality - Guidance on the sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version prEN 15196:2005
€48.79
Water quality - Guidance standard for the routine analysis of phytoplankton abundance and composition using inverted microscopy (Utermöhl technique); German version prEN 15204:2005
€111.40
Water quality - Guidance on marine biological surveys of littoral and sublittoral hard bottom (ISO/DIS 19493:2005); German Version prEN ISO 19493:2005
€91.03
Water quality - Guidance standard for the surveying of macrophytes in lakes; German version prEN 15460:2006
Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005); German version prEN ISO 20079:2006
€98.32
Water quality - Determination of acute toxicity of marine or estuarine sediments to amphipods (ISO 16712:2005); German version prEN ISO 16712:2006
Water quality - Determination of microcystins - Method using solid phase extraction (SPE) and high performance liquid chromatography (HPLC) with ultraviolet (UV) detection (ISO 20179:2005)
Water quality - General guidance on the enumeration of micro-organisms by culture (ISO 8199:2005); German version prEN ISO 8199:2007
€116.64
Water quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplers (ISO 9391:1993); German version EN ISO 9391:1995
€56.17
Water analysis - Determination of biochemical oxygen demand after n days (BOD) - Part 1: Dilution and seeding method with allylthiouric acid addition; German version prEN 1899-1:1995
€63.27
Water analysis - Determination of biochemical oxygen demand after n days (BOD) - Part 2: Method for undiluted samples; German version prEN 1899-2:1995
Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:1996); German version EN ISO 6341:1996
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 bacteria (Photobacterium phosphoreum) (L 37)
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/DIS 11348-1:1996); German version prEN ISO 11348-1:1996
€69.91
