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Normas DIN – AENOR
DIN EN 15921:2011-08

DIN EN 15921:2011-08

Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C; German version EN 15921:2011

Engrais - Extraction du phosphore soluble selon Petermann à 65 °C; Version allemande EN 15921:2011

Düngemittel - Extraktion des löslichen Phosphors nach Petermann bei 65 °C; Deutsche Fassung EN 15921:2011

Fecha:
2011-08 /Active
Equivalencias internacionales:

EN 15921 (2011-06)

Relación con otras normas DIN:

Reemplaza a: DIN EN 15921:2010-11

Resumen:
The document specifies the procedure for the determination of soluble phosphorus in alcaline ammonium citrate. The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO<(Index)4> · 2H<(Index)2>O).
Keywords:
Alkaline, Ammonium salt, Analysis, Chemical analysis and testing, Citric acid, Content, Determination of content, Extraction, Extraction methods of analysis, Fertilizers, Methods, Petermann, Phosphorous acid, Phosphorus, Phosphorus content, Soil improvement, Soil improving materials, Solutions
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