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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 NA 057-03-02 AA

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ISO 23381	2020-09	Standards	Determination of salt out (crystallization) temperature of liquid fertilizers More	Order from DIN Media
ISO 25475	2016-04	Standards	Fertilizers - Determination of ammoniacal nitrogen More	Order from DIN Media
ISO 25705	2016-04	Standards	Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B) More	Order from DIN Media
ISO/TR 5307	1991-12	Technical rule	Solid fertilizers; derivation of a sampling plan for the evaluation of a large delivery More	Order from DIN Media
ISO/TR 7553	1987-07	Technical rule	Fertilizers; Sampling; Minimum mass of increment to be taken to be representative of the total sampling unit 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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