CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10959 | LVS EN 26595:2000 | Water quality - Determination of total arsenic - Silver diethydithiocarbamate spectrometric method | 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 |
| 33760 | LVS EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Standarts spēkā |
| 22918 | LVS EN 872:2005 A | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Standarts spēkā |
| 23844 | LVS EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Standarts spēkā |
| 59145 | LVS EN ISO 9696:2018 | Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017) | Standarts spēkā |
| 74054 | LVS EN ISO 13164-4:2023 | Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023) | Standarts spēkā |
| 73083 | LVS EN 16479:2023 | Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automatic sampling devices (samplers) for water and waste water | Standarts spēkā |
| 34747 | LVS EN 16694:2016 | Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS) | Standarts spēkā |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
Displaying 271-280 of 841 results.