CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10953 | LVS EN 26777:1993 | Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) | |
| 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) | |
| 10973 | LVS EN 26461-1:1993 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) | |
| 10966 | LVS EN 1484:1997 | Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) | |
| 22922 | LVS EN ISO 11732:2005 | Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) | |
| 10960 | LVS EN 1233:1996 | Water quality - Determination of chromium - Atomic absorption spectrometric methods | |
| 11087 | LVS EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | |
| 21813 | LVS EN ISO 15681-1:2004 | Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by flow injection analysis (FIA) (ISO 15681-1:2003) | |
| 76459 | LVS EN 18161:2026 | Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment | |
| 77819 | LVS EN ISO 22032:2026 | Water quality - Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended particulate matter and biota - Method using gas chromatography coupled with tandem mass spectrometry (GC-MS/MS) or with high resolution mass spectrometry (GC-HRMS) (ISO 22032:2026) |
Displaying 831-840 of 841 results.