CEN/TC 230
| Reģistrācijas numurs (WIID) | Projekta Nr. | Nosaukums | Statuss |
|---|---|---|---|
| 10982 | EN ISO 7887:1994 | Water quality - Examination and determination of colour (ISO 7887:1994) | Atcelts |
| 10986 | EN ISO 7827:1995 | Wasserbeschaffenheit - Bestimmung der vollständigen aeroben biologischen Abbaubarkeit organischer Stoffe in einem wäßrigen Medium - Verfahren mittels Analyse des gelösten organischen Kohlenstoffs (DOC) (ISO 7827:1994) | Atcelts |
| 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/DIS 7704:2021) | Standarts spēkā |
| 11086 | EN ISO 7393-3:2000 | Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 3: Iodometrisches Verfahren zur Bestimmung von Gesamtchlor (ISO 7393-3:1990) | Izstrādē |
| 41270 | EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes (ISO/DIS 7393-2:2017) | Izstrādē |
| 11085 | EN ISO 7393-2:2000 | Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 2: Kolorimetrisches Verfahren mit N, N-Diethyl-1, 4-Phenylendiam für Routinekontrollen (ISO 7393-2:1985) | Atcelts |
| 11084 | EN ISO 7393-1:2000 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985) | Izstrādē |
| 11038 | EN ISO 7346-3:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 3: Flow-through method (ISO 7346-3:1996) | Izstrādē |
| 11037 | EN ISO 7346-2:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 2: Semi-static method (ISO 7346-2:1996) | Izstrādē |
| 11036 | EN ISO 7346-1:1997 | Qualité de l'eau - Détermination de la toxicité aiguë létale de substances vis-à-vis d'un poisson d'eau douce (Brachydanio rerio Hamilton-Buchanan (Téléostei, Cyprinidae)( - Partie 1: Méthode statique (ISO 7346-1:1996) | Izstrādē |
Attēlo no 491. līdz 500. no pavisam 853 ieraksta(-iem).