Registration number (WIID)Project No.TitleStatus
75672prEN 13946 revWater quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
29946EN ISO 7887:2011Water quality - Examination and determination of colour (ISO/DIS 7887:2009)Izstrādē
71704EN ISO 5667-6:2016/A11:2020Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014)Izstrādē
62443EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macro-invertebrates from inland surface watersIzstrādē
34751EN 16695:2015Water quality - Guidance on the estimation of microalgal biovolumeIzstrādē
21720ISO 18857-1Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid extraction and gas chromatography with mass selective detectionIzstrādē
35339EN ISO 10523:2012Water quality - Determination of pH (ISO 10523:2008)Izstrādē
11116-Water quality - Guidance on quality assurance aspects of the sampling and analysis of benthic diatomsIzstrādē
11120EN ISO 5667-19:2004Water quality - Sampling - Part 19: Guidance on sampling in marine sediments (ISO 5667-19:2004)Izstrādē
11113EN ISO 11733:2004Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004)Izstrādē
Displaying 191-200 of 824 results.