Registration number (WIID)Project No.TitleStatus
11043LVS EN ISO 13395:1996 AWater quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
59003LVS EN ISO 5667-6:2017Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014)Standarts spēkā
58435LVS EN ISO 15681-2:2019Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018)Standarts spēkā
11037LVS EN ISO 7346-2:2000Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static methodStandarts spēkā
11065LVS EN ISO 14911:2000Water quality - Determonation of dissolved Li+, Na+, NH+4, K+, Mn+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste waterStandarts spēkā
63239LVS EN ISO 21253-2:2020Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019)Standarts spēkā
34749LVS CEN/TS 16692:2015Water quality - Determination of tributyltin (TBT) in whole water samples - Method using solid phase extraction (SPE) with SPE disks and gas chromatography with triple quadrupole mass spectrometryStandarts spēkā
11038LVS EN ISO 7346-3:2000Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 3: Flow-through methodStandarts spēkā
79407EN ISO 10705-3:2024Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)Standarts spēkā
63553LVS EN ISO 10704:2019Water quality - Gross alpha and gross beta activity - Test method using thin source deposit (ISO 10704:2019)Standarts spēkā
Displaying 191-200 of 839 results.