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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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Projects of CEN/TC 223/WG 4

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DIN EN 00223123	2023-04-23	Soil improvers and growing media - Determination of mercury in aqua regia extracts More	Comment
DIN EN 00223117	2023-04-23	Soil improvers and growing media - Determination of phosphonate content More	Comment
DIN EN 00223122	2023-04-23	Soil improvers and growing media - Determination of chromium(VI) More	Comment
DIN EN 00223141	2023-04-23	Soil improvers and growing media - Determination of the chloride content More	Comment
DIN EN 00223115	2023-04-23	Soil improvers and growing media - Determination of organic nitrogen More	Comment
DIN EN 00223142	2023-04-23	Soil improvers and growing media - Determination of aqua regia soluble elements More	Comment
DIN EN 00223120	2023-04-23	Soil improvers and growing media - Determination of the residual biogas potential in digestate More	Comment
DIN EN 13650 rev	2023-04-23	Soil improvers and growing media - Extraction of aqua regia soluble elements More	Comment
DIN EN 13038 rev	2021-10-04	Soil improvers and growing media - Determination of electrical conductivity More	Comment
DIN EN 13654-2 rev	2021-10-04	Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method More	Comment

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