DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Draft standard

25/30475222 DC
BS ISO 18191 Water quality - Determination of pHt in sea water - Method using the indicator dye m-cresol purple

Edition 2025-06-17

Original language English

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

Climate change Standards and specifications support climate targets

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

25/30475222 DC BS ISO 18191 Water quality - Determination of pHt in sea water - Method using the indicator dye m-cresol purple

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25/30475222 DC
BS ISO 18191 Water quality - Determination of pHt in sea water - Method using the indicator dye m-cresol purple