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Normas BSI – AENOR
BS EN 15921:2011

BS EN 15921:2011

Fertilizers. Extraction of soluble phosphorus according to Petermann at 65 °C

Fecha:
2011-06-30 /Confirmed
Comité:
CII/37
Equivalencias internacionales:

EN 15921:2011

Relación con otras normas BSI:

Reemplaza a: DD CEN/TS 15921:2009

Resumen:
This document specifies the procedure for the determination of soluble phosphorus in alkaline ammonium citrate. The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO4 . 2H2O).
Keywords:
Chemical analysis and testing, Fertilizers, Phosphates, Solvent extraction methods, Extraction methods of analysis, Agricultural chemicals, Determination of content, Phosphorus, Calcium inorganic compounds, Soil improvement
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