• 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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Publications of ISO/TC 134

ISO 7407 1983-05 Standards Fertilizers; Determination of acid-soluble potassium content; Preparation of the test solution More  Order from DIN Media
ISO 7408 1983-12 Standards Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method More  Order from DIN Media
ISO 7410 1983-04 Standards Fertilizers and soil conditioners; Final samples; Practical arrangements More  Order from DIN Media
ISO 7497 1984-11 Standards Fertilizers; Extraction of phosphates soluble in mineral acids More  Order from DIN Media
ISO 7742 1988-07 Standards Solid fertilizers; reduction of samples More  Order from DIN Media
ISO 7837 1992-07 Standards Fertilizers; determination of bulk density (loose) of fine-grained fertilizers More  Order from DIN Media
ISO 8397 1988-02 Standards Solid fertilizers and soil conditioners; test sieving More  Order from DIN Media
ISO 8398 1989-07 Standards Solid fertilizers; measurement of static angle of repose More  Order from DIN Media
ISO 8634 1991-06 Standards Solid fertilizers; sampling plan for the evaluation of a large delivery More  Order from DIN Media
ISO 10084 1992-12 Standards Solid fertilizers; determination of mineral-acid-soluble sulfate content; gravimetric method More  Order from DIN Media

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