CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10978 | EN 28265:1994 | Water quality - Design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters (ISO 8265:1988) | Atcelts |
| 10983 | EN 27888:1993 | Water quality - Determination of electrical conductivity (ISO 7888:1985) | Izstrādē |
| 10977 | EN 27828:1994 | Water quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebrates (ISO 7828:1985) | Atcelts |
| 10984 | EN 27027:1994 | Water quality - Determination of turbidity (ISO 7027:1990) | Atcelts |
| 10953 | EN 26777:1993 | Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) | Izstrādē |
| 11123 | EN 26595:1992/AC:1992 | Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982) | Atcelts |
| 10959 | EN 26595:1992 | Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982) | Atcelts |
| 10974 | EN 26461-2:1993 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986) | Izstrādē |
| 10973 | 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) | Izstrādē |
| 10951 | EN 25814:1992 | Water quality - Determination of dissolved oxygen - Electrotechnical probe method (ISO 5814:1990) | Atcelts |
Displaying 661-670 of 800 results.