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Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 32.20
  •  

Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 42.30
  •  

ILNAS-EN 26777:1993 Edition 01/1993
Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 18.10
  •  

ILNAS-EN 27888:1993 Edition 09/1993
Water quality - Determination of electrical conductivity (ISO 7888:1985)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 20.10
  •  

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)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 20.10
  •  

Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-2:2000)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 16.30
  •  

Water quality - Determination of dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water (ISO 14911:1998)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 32.20
  •  

Water quality - Determination of selected organotin compounds - Gas chromatographic method (ISO 17353:2004)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 46.70
  •  

Water quality - Examination and determination of colour (ISO 7887:2011)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 24.00
  •  

Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria (ISO 11348-2:2007)
TC/SC : CEN/TC 230
Status : Standard  -  Active
  •  
  • 34.20
  •  

 
Result(s) 41 - 50 of 227 1 2 3 4 5 6 7 8 9 ... 23
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