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prEN 15957 rev
Inorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate
prEN 15956 rev
Inorganic fertilizers - Extraction of phosphorus soluble in mineral acids
DIN EN 15957 rev
Inorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate
DIN EN 15956 rev
Inorganic fertilizers - Extraction of phosphorus soluble in mineral acids
DIN EN ISO 7730
Ergonomics of the thermal environment - Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria (ISO/FDIS 7730:2025); German version FprEN ISO 7730:2025
DIN IEC/IEEE 63113
Nuclear facilities - Instrumentation important to safety - Spent fuel pool instrumentation (IEC 45A/1175/CD:2017)
prEN 15960 rev
Inorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
DIN EN 15960 rev
Inorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
DIN EN 49-1
Wood preservatives - Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival - Part 1: Application by surface treatment (Laboratory method)
prEN 49-1
Wood preservatives - Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival - Part 1: Application by surface treatment (Laboratory method)
