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Norm
ÖNORM EN 15959
Issue date: 2024 03 01
Inorganic fertilizers - Determination of extracted phosphorus P2O5
This document specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determinatio...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 14 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This document specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water-soluble phosphorus, phosphorus soluble in solutions of neutral ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in a mass fraction of 2 % formic acid.
The method has only been validated on inorganic fertilizers but can be applicable to all extracted phosphorous if proper extraction methods are used.
ONR CEN/TS 15959
2010 05 15
Fertilizers - Determination of extracted phosphorus (CEN/TS 15959:2009)
Technische Regel
ONR CEN/TS 15959
2009 07 15
Fertilizers - Determination of extracted phosphorus (CEN/TS 15959:2009)
Technische Regel Entwurf