CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 41270 | EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017) | Izstrādē |
| 11086 | EN ISO 7393-3:2000 | Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine (ISO 7393-3:1990) | Izstrādē |
| 61308 | EN ISO 7704:2023 | Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023) | Standarts spēkā |
| 10986 | EN ISO 7827:1995 | Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:1994) | Atcelts |
| 10982 | EN ISO 7887:1994 | Water quality - Examination and determination of colour (ISO 7887:1994) | Atcelts |
| 29946 | EN ISO 7887:2011 | Water quality - Examination and determination of colour (ISO/DIS 7887:2009) | Izstrādē |
| 10999 | EN ISO 7899-1:1998 | Water quality - Detection and enumeration of intestinal enterococci in surface and wastewater - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 7899-1:1998) | Izstrādē |
| 11125 | EN ISO 7899-1:1998/AC:2000 | Water quality - Detection and enumeration of intestinal enterococci in surface and wastewater - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 7899-1:1998) | Izstrādē |
| 11035 | EN ISO 7899-2:2000 | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000) | Izstrādē |
| 11087 | EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | Izstrādē |
Displaying 331-340 of 792 results.