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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 X31-607-4 ; NF EN ISO 21268-4:2019-12-04
Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: influence of pH on leaching with initial acid/base addition

Title (German)

Bodenbeschaffenheit - Elutionsverfahren für die anschliessende chemische und ökotoxikologische Untersuchung von Boden und von Bodenmaterialien - Teil 4: Einfluss des pH-Wertes unter vorheriger Säure/Base-Zugabe

Edition 2019-12-04

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 X31-607-4 ; NF EN ISO 21268-4:2019-12-04 Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: influence of pH on leaching with initial acid/base addition

Want to learn more?

NF X31-607-4 ; NF EN ISO 21268-4:2019-12-04
Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: influence of pH on leaching with initial acid/base addition