CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11090 | LVS EN ISO 15587-2:2002 A | Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion | Standarts spēkā |
| 11089 | LVS EN ISO 15587-1:2002 A | Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion | Standarts spēkā |
| 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) | |
| 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) | |
| 10966 | LVS EN 1484:1997 | Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) | |
| 11087 | LVS EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | |
| 10960 | LVS EN 1233:1996 | Water quality - Determination of chromium - Atomic absorption spectrometric methods | |
| 11051 | LVS EN 1899-2:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples (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) |
Displaying 781-790 of 792 results.