SIST EN 15920:2011

Fertilizers - Extraction of phosphorus soluble in 2 % citric acid

This document specifies the procedure for the determination of phosphorus soluble in 2 % citric acid (20 g per litre).
The method is applicable only to types of basic slag (see [1], Annex I A).

Düngemittel - Extraktion des in 2%iger Citronensäure löslichen Phosphors

Das vorliegende Dokument legt ein Verfahren für die Bestimmung des in 2%iger Citronensäure (20 g/l) löslichen Phosphors fest.
Das Verfahren ist nur auf Arten von Thomasphosphat anwendbar (siehe [1], Anhang I A).

Engrais - Extraction du phosphore soluble dans l'acide citrique à 2 %

Le présent document a pour objet de fixer une méthode de dosage du phosphore soluble dans l’acide citrique à 2 % (20 g/l).
La présente méthode s’applique exclusivement au type « scories de déphosphoration » (voir [1], Annexe I A).

Gnojila - Ekstrakcija fosforja, topnega v 2-odstotni citronski kislini

Ta dokument opredeljuje postopek določanja fosforja, topnega v 2-odstotni citronski kislini (20 g/l). Metoda velja le za vrste bazične žlindre.

General Information

• Status: Published
• Public Enquiry End Date: 31-Jan-2011
• Publication Date: 12-Sep-2011
• ICS: 65.080 - Fertilizers
• Technical Committee: KAT - Soil quality
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 07-Sep-2011
• Due Date: 12-Nov-2011
• Completion Date: 13-Sep-2011
• Mandate: M/335 - Standardization Mandate assigned to the CEN concerning the modernisation of the methods of anylysis of Fertilizers
• Ref Project: EN 15920:2011 - Fertilizers - Extraction of phosphorus soluble in 2 % citric acid

Relations

• Replaces: SIST-TS CEN/TS 15920:2010 - Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
• Effective Date: 01-Oct-2011

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Gnojila - Ekstrakcija fosforja, topnega v 2-odstotni citronski kisliniDüngemittel - Extraktion des in 2%iger Citronensäure löslichen PhosphorsEngrais - Extraction du phosphore soluble dans l'acide citrique à 2 %Fertilizers - Extraction of phosphorus soluble in 2 % citric acid65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 15920:2011SIST EN 15920:2011en,fr,de01-oktober-2011SIST EN 15920:2011SLOVENSKI
STANDARDSIST-TS CEN/TS 15920:20101DGRPHãþD



SIST EN 15920:2011



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15920
June 2011 ICS 65.080 Supersedes CEN/TS 15920:2009English Version
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Engrais - Extraction du phosphore soluble dans l'acide citrique à 2 %
Düngemittel - Extraktion des in 2%iger Citronensäure löslichen Phosphors This European Standard was approved by CEN on 29 April 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 15920:2011: ESIST EN 15920:2011



EN 15920:2011 (E)
2 Contents Page Foreword .31 Scope .42 Normative references .43 Terms and definitions .44 Sampling .45 Principle .46 Reagents .47 Apparatus .58 Procedure .58.1 Test portion .58.2 Extraction .5Bibliography .6 SIST EN 15920:2011



EN 15920:2011 (E) 3 Foreword This document (EN 15920:2011) has been prepared by Technical Committee CEN/TC 260 “Fertilizers and liming materials”, the secret
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