• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information

Projects of ISO/TC 147/SC 2

Document number Begin Title Comment
DIN EN ISO 23696-1 2025-05-23 Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German and English version prEN ISO 23696-1:2025 More  Comment 
DIN EN ISO 23697-1 2025-05-23 Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German and English version prEN ISO 23697-1:2025 More  Comment 
DIN EN ISO 23697-2 2025-05-23 Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023); German and English version prEN ISO 23697-2:2025 More  Comment 
DIN EN ISO 23696-2 2025-05-22 Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German and English version prEN ISO 23696-2:2025 More  Comment 
DIN EN ISO 23695 2025-05-20 Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German and English version prEN ISO 23695:2025 More  Comment 
DIN EN ISO 5663 rev 2025-03-28 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium More  Comment 
ISO/AWI 5663 2025-03-14 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium More  Comment 
ISO/AWI 25133 2024-05-16 Water quality - Determination of Chlorophenols in water using sorptive extraction with thermal desorption by gas chromatography-mass spectrometry More  Comment 
DIN EN ISO 13646 2023-08-12 Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO/DIS 13646:2024); German and English version prEN ISO 13646:2024 More  Comment 
DIN EN ISO 22032 2023-05-11 Water quality - Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended (particulate) matter and biota - Method using gas chromatography-tandem mass spectrometry or high resolution mass spectrometry (GC-MS/MS; HRMS) (ISO/DIS 22032:2025); German and English version prEN ISO 22032:2025 More  Comment 

TOP