Registration number (WIID)Project No.TitleStatus
22918EN 872:2005Water quality - Determination of suspended solids - Method by filtration through glass fibre filtersIzstrādē
62649-Water quality - Performance characteristics odf diatom sampling and analysisIzstrādē
22982prEN ISO 7346-1 revWater quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 1: Static method (ISO 7346-1:1996)Izstrādē
23989prEN ISO 20079Water quality - Determination of the toxic effect of water constituents and waste water to duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079)Izstrādē
22922EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)Izstrādē
27362prEN 15708Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
69095prEN ISO 13167Water quality -- Plutonium, americium, curium and neptunium -- Test method using alpha spectrometryIzstrādē
36652FprEN ISO 7827Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010)Izstrādē
74816prEN ISO 9308-2 revWater quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number methodIzstrādē
11013prEN ISO 6340Water quality - Detection of Salmonella species (ISO 6340:1995)Izstrādē
Displaying 621-630 of 841 results.