CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73873 | LVS EN ISO 20595:2022 | Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018) | Standarts spēkā |
| 26357 | LVS EN ISO 16712:2007 | Water quality - Determination of acute toxicity of marine or estuarine sediment to amphipods | Standarts spēkā |
| 38684 | LVS EN ISO 11731:2017 | Water quality - Enumeration of Legionella (ISO 11731:2017) | Standarts spēkā |
| 26355 | LVS EN ISO 15839:2006 | Water quality - On-line sensors/analysing equipment for water - Specifications and performance tests | Standarts spēkā |
| 35023 | LVS EN ISO 9308-1:2014 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014) | Standarts spēkā |
| 30865 | LVS EN ISO 11348-1:2009 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria (ISO 11348-1:2007) | Standarts spēkā |
| 79408 | EN ISO 15923-1:2024 | Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013) | Standarts spēkā |
| 10995 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) | |
| 10966 | LVS EN 1484:1997 | Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) | |
| 10953 | LVS EN 26777:1993 | Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) |
Displaying 831-840 of 849 results.