• 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/WG 1

ISO 19670 2017-03 Standards Fertilizers and soil conditioners - Solid urea aldehyde slow release fertilizer - General requirements More  Order from DIN Media
ISO 19746 2017-02 Standards Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC) More  Order from DIN Media
ISO 19747 2020-10 Standards Fertilizers and soil conditioners - Determination of monosilicic acid concentrations in nonliquid fertilizer materials More  Order from DIN Media
ISO 20620 2021-09 Standards Fertilizers and soil conditioners - Determination of total nitrogen by combustion More  Order from DIN Media
ISO 21263 2017-12 Standards Slow-release fertilizers - Determination of the release of the nutrients - Method for coated fertilizers More  Order from DIN Media
ISO 22018 2021-07 Standards Fertilizers, soil conditioners and beneficial substances - Determination of EDTA soluble phosphorus content in inorganic fertilizers More  Order from DIN Media
ISO 22862 2021-11 Standards Fertilizers and soil conditioners - Compound fertilizer - General requirements More  Order from DIN Media
ISO 22887 2020-11 Standards Determination of total sulfur in fertilizers by high temperature combustion More  Order from DIN Media
ISO 23381 2020-09 Standards Determination of salt out (crystallization) temperature of liquid fertilizers More  Order from DIN Media
ISO/TS 20917 2023-07 Pre-standard Fertilizers, soil conditioners and beneficial substances - Determination of ammonium citrate, disodium-EDTA soluble phosphorus and potassium by ICP-OES in inorganic fertilizers More  Order from DIN Media

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