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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 00223111	2023-04-27	Soil improvers and growing media - Determination of total organic carbon by dry combustion More	Comment
DIN EN 00223113	2023-04-27	Soil improvers and growing media - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution More	Comment
DIN EN 00223116	2023-04-27	Soil improvers and growing media - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC) More	Comment
DIN EN 16087-1 rev	2023-04-27	Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) More	Comment
DIN EN 13039 rev	2023-04-23	Soil improvers and growing media - Determination of organic matter content and ash More	Comment
DIN EN 16087-2 rev	2023-04-23	Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compost More	Comment
DIN EN 13040 rev	2023-04-23	Soil improvers and growing media - Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density More	Comment
DIN EN 13654-1 rev	2023-04-23	Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method More	Comment
DIN EN 13651 rev	2023-04-23	Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients More	Comment
DIN EN 00223123	2023-04-23	Soil improvers and growing media - Determination of mercury in aqua regia extracts More	Comment

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