CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
11050 | LVS EN ISO 10707:1997 | Water quality - Evalution in an aquenous medium of the ultimate aerobic biodegrability of organic compounds - Method by analysis of biochemical oxygen demand | Standarts spēkā |
34757 | LVS EN 16698:2016 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Standarts spēkā |
78500 | LVS EN ISO 13165-1:2024 | Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting (ISO 13165-1:2022) | Standarts spēkā |
39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
11029 | LVS EN ISO 11369:2000 | Water quality - Determination of selected plant treatment agents - Method using high performance chromatography with UV detection after solid-liquid extraction | Standarts spēkā |
29876 | LVS EN ISO 23913:2009 | Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006) | Standarts spēkā |
29873 | LVS EN ISO 10304-1:2009 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007) | Standarts spēkā |
11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
63239 | LVS EN ISO 21253-2:2020 | Water 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 |
34832 | LVS EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Standarts spēkā |
Displaying 201-210 of 813 results.