EN 15959:2011

Fertilizers - Determination of extracted phosphorus

This European Standard 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 ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in 2 % formic acid.

Düngemittel - Bestimmung von Phosphor in den Extrakten

Dieses Dokument legt ein Verfahren zur Bestimmung von Phosphor in Düngemittelextrakten fest.
Das Verfahren ist auf alle Düngemittelextrakte anwendbar, die zur Bestimmung von Phosphor in seinen verschiedenen Formen dienen, wie z. B. in Mineralsäuren löslicher Phosphor, wasserlöslicher Phosphor, Phosphor löslich in Ammoniumcitrat-Lösungen verschiedener Konzentration, Phosphor löslich in 2%iger Citronensäure und Phosphor löslich in 2%iger Ameisensäure.

Engrais - Dosage du phosphore extrait

La présente norme européenne spécifie une méthode de dosage du phosphore dans des extraits d’engrais.
La méthode est applicable à tous les extraits d'engrais pour le dosage des différentes formes de phosphore telles que le phosphore soluble dans les acides minéraux, dans l’eau, dans des solutions de citrate d’ammonium, dans l’acide citrique à 2 % et dans l’acide formique à 2 %.

Gnojila - Določevanje ekstrahiranega fosforja

Ta evropski standard določa metodo za določevanje fosforja v izvlečkih gnojil. Metoda se uporablja za vse izvlečke gnojil za določevanje različnih oblik fosforja, topnega v mineralnih kislinah, vodi, raztopinah amonijevega citrata, 2-odstotni citronski kislini in 2-odstotni mravljični kislini.

General Information

• Status: Withdrawn
• Publication Date: 22-Nov-2011
• Withdrawal Date: 12-Dec-2023
• ICS: 65.080 - Fertilizers
• Technical Committee: CEN/TC 260 - Fertilizers and liming materials
• Drafting Committee: CEN/TC 260/WG 7 - Chemical analysis
• Directive: 2003/2003 - Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers
• Directive: 2019/1009 - Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003
• Mandate: M/335 - Standardization Mandate assigned to the CEN concerning the modernisation of the methods of anylysis of Fertilizers
• Ref Project: SIST EN 15959:2012 - Fertilizers - Determination of extracted phosphorus

Relations

• Replaces: CEN/TS 15959:2009 - Fertilizers - Determination of extracted phosphorus
• Effective Date: 26-Nov-2011
• Replaced By: EN 15959:2023 - Inorganic fertilizers - Determination of extracted phosphorus P2O5
• Effective Date: 21-Apr-2021

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Düngemittel - Bestimmung von Phosphor in den ExtraktenEngrais - Dosage du phosphore extraitFertilizers - Determination of extracted phosphorus65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 15959:2011SIST EN 15959:2012en,fr,de01-marec-2012SIST EN 15959:2012SLOVENSKI
STANDARD



SIST EN 15959:2012



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15959
November 2011 ICS 65.080 Supersedes CEN/TS 15959:2009English Version
Fertilizers - Determination of extracted phosphorus
Engrais - Dosage du phosphore extrait
Düngemittel - Bestimmung von Phosphor in den ExtraktenThis European Standard was approved by CEN on 15 October 2011.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15959:2011: ESIST EN 15959:2012



EN 15959:2011 (E) 2 Contents Page Foreword .31Scope .42Normative references .43Terms and definitions .44Principle .45Sampling and sample preparation .46Reagents .47Apparatus .58Procedure .68.1Treatment of the solution .68.2Hydrolysis .68.3Weighing the crucible .68.4Precipitation .68.5Filtering and washing .78.6Drying and weighing .78.7Blank test .78.8Verification .79Calculation and expression of the result .710Precision .
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