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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

Standards [CURRENT]

NF U44-172
Growing media - Determination of conductivity, resistivity and pH - Routine method with 1/1,5 extraction ratio for samples at retention

Title (German)

Kultursubstrat - Bestimmung der Widerstrandsfähigkeit und des pH-Werts - Routinenmethode mit Extractionsratio von 1/1,5 zu einer Rückhaltevermögens Stichprobe

Edition 2013-05-17

Original language French

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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

NF U44-172 Growing media - Determination of conductivity, resistivity and pH - Routine method with 1/1,5 extraction ratio for samples at retention

Want to learn more?

NF U44-172
Growing media - Determination of conductivity, resistivity and pH - Routine method with 1/1,5 extraction ratio for samples at retention