Registration number (WIID)Project No.TitleStatus
73879LVS EN ISO 19040-2:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) (ISO 19040-2:2018)Standarts spēkā
73875LVS EN ISO 19040-1:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018)Standarts spēkā
75415LVS EN ISO 20596-2:2022Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021)Standarts spēkā
11063LVS EN ISO 14402:1999Water quality - Determination of phenol index by flow analysis (FIA and CFA)Standarts spēkā
21715LVS EN ISO 15913:2003Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatizationStandarts spēkā
10958LVS EN 25813:2000Water quality - Determination og dissolved oxygen - Iodometric methodStandarts spēkā
22922LVS EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) 
10966LVS EN 1484:1997Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) 
77977LVS EN ISO 18724:2025Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025) 
10995LVS EN 1899-1:1998Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) 
Displaying 791-800 of 813 results.