CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10995 | 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) | Atcelts |
| 11009 | EN ISO 9509:1995 | Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water (ISO 9509:1989) | Atcelts |
| 34750 | EN ISO 12010:2014 | Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in water - Method using gas chromatography-mass spectrometry (GC-MS) and negative-ion chemical ionization (NCI) (ISO 12010:2012) | Atcelts |
| 41073 | EN ISO 9698:2015 | Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010) | Atcelts |
| 41077 | EN ISO 10704:2015 | Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method (ISO 10704:2009) | Atcelts |
| 11062 | EN ISO 10304-4:1999 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:1997) | Atcelts |
| 20964 | EN ISO 10253:2006 | Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:2006) | Atcelts |
| 11008 | EN ISO 8192:1995 | Water quality - Test for the inhibition of oxygen consumption by activated sludge (ISO 8192:1986) | Atcelts |
| 11012 | EN 872:1996 | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Atcelts |
| 36146 | EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Atcelts |
Displaying 421-430 of 814 results.