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DIN 51933
Testing of carbonaceous materials - Determination of content of dedusting substances in cokes by extraction - Solid materials
DIN EN 13651
Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients and elements
DIN EN 15925 rev
Inorganic fertilizers - Extraction of total sulfur present in various forms
DIN EN 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 15960 rev
Inorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
DIN EN 15961 rev
Inorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates
DIN EN 17766
Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements
DIN EN 17767
Organo-mineral fertilizers - Extraction of phosphorus by formic acid
DIN EN 17774
Organic and organo-mineral fertilizers - Determination of the content of specific elements by ICP-AES after extraction by water and weak solvents
