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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 X31-090-4 ; NF EN ISO 12782-4:2012-07-01
Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and soil materials - Part 4: extraction of humic substances from solid samples

Title (German)

Bodenbeschaffenheit - Parameter zur geochemischen Modellierung der Elution und Speziation von Bestandteilen in Böden und Materialien - Teil 4: Extraktion von Humusstoffen aus Feststoffproben

Edition 2012-07-01

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 X31-090-4 ; NF EN ISO 12782-4:2012-07-01 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and soil materials - Part 4: extraction of humic substances from solid samples

Want to learn more?

NF X31-090-4 ; NF EN ISO 12782-4:2012-07-01
Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and soil materials - Part 4: extraction of humic substances from solid samples