• 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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Projects of CEN/TC 455/WG 4

DIN EN 17701-1 2022-03-14 Plant biostimulants - Determination of specific elements - Part 1: Digestion by aqua regia for subsequent determination of elements; German version FprEN 17701-1:2023 More  Comment 
DIN EN 17704 2022-03-14 Plant biostimulants - Determination of dry matter; German version FprEN 17704:2023 More  Comment 
DIN EN 17706 2022-03-14 Plant biostimulants - Determination of inorganic arsenic; German FprEN 17706:2023 More  Comment 
DIN EN 17701-3 2022-03-14 Plant biostimulants - Determination of specific elements - Part 3: Determination of mercury; German version FprEN 17701-3:2024 More  Comment 
DIN EN 17703 2022-03-14 Plant biostimulants - Determination of chromium(VI); German version FprEN 17703:2024 More  Comment 
DIN EN 17701-2 2022-03-10 Plant biostimulants - Determination of specific elements - Part 2: Determination of total content of Cd, Pb, Ni, As, Cr, Cu and Zn; German version FprEN 17701-2:2023 More  Comment 
DIN EN 17705 2022-03-10 Plant biostimulants - Determination of phosphonates; German version FprEN 17705:2024 More  Comment 

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