Registration number (WIID)Project No.TitleStatus
63552LVS EN ISO 9698:2019Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019)Standarts spēkā
74054LVS EN ISO 13164-4:2023Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023)Standarts spēkā
59145LVS EN ISO 9696:2018Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017)Standarts spēkā
11089LVS EN ISO 15587-1:2002 AWater quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestionStandarts spēkā
23844LVS EN 15204:2006Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)Standarts spēkā
11090LVS EN ISO 15587-2:2002 AWater quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestionStandarts spēkā
67705EN ISO 22017:2020Water quality - Guidance for rapid radioactivity measurements in nuclear or radiological emergency situation (ISO/DIS 22017:2019)Standarts spēkā
22918LVS EN 872:2005 AWater quality - Determination of suspended solids - Method by filtration through glass fibre filtersStandarts spēkā
33760LVS EN 16161:2012Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samplesStandarts spēkā
68134LVS EN ISO 13164-2:2020Water quality - Radon-222 - Part 2: Test method using gamma-ray spectrometry (ISO 13164-2:2013)Standarts spēkā
Displaying 761-770 of 839 results.