CEN/TS 15920:2009

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 [2], 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 na liter). Ta metoda velja le za vrste bazične žlidre.

General Information

• Status: Withdrawn
• Publication Date: 29-Sep-2009
• Withdrawal Date: 07-Jun-2011
• ICS: 65.080 - Fertilizers
• Technical Committee: CEN/TC 260 - Fertilizers and liming materials
• Drafting Committee: CEN/TC 260/WG 7 - Chemical analysis
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 08-Jun-2011
• Completion Date: 08-Jun-2011
• Mandate: M/335 - Standardization Mandate assigned to the CEN concerning the modernisation of the methods of anylysis of Fertilizers
• Ref Project: SIST-TS CEN/TS 15920:2010 - Fertilizers - Extraction of phosphorus soluble in 2 % citric acid

Relations

• Replaced By: EN 15920:2011 - Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
• Effective Date: 11-Jun-2011

Standards Content (Sample)

SLOVENSKI STANDARD
SIST-TS CEN/TS 15920:2010
01-februar-2010
Gnojila - Ekstrakcija fosforja, topnega v 2-odstotni citronski kislini
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Düngemittel - Extraktion des in 2%iger Citronensäure löslichen Phosphors
Engrais - Extraction du phosphore soluble dans l'acide citrique à 2 %
Ta slovenski standard je istoveten z: CEN/TS 15920:2009
ICS:
65.080 Gnojila Fertilizers
SIST-TS CEN/TS 15920:2010 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN/TS 15920:2010

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SIST-TS CEN/TS 15920:2010


TECHNICAL SPECIFICATION
CEN/TS 15920

SPÉCIFICATION TECHNIQUE

TECHNISCHE SPEZIFIKATION
September 2009
ICS 65.080
English Version
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Engrais - Extraction du phosphore soluble dans l'acide Düngemittel - Extraktion des in 2%iger Citronensäure
citrique à 2 % löslichen Phosphors
This Technical Specification (CEN/TS) was approved by CEN on 3 August 2009 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their
comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available
promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)
until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 15920:2009: E
worldwide for CEN national Members.

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SIST-TS CEN/TS 15920:2010
CEN/TS 15920:2009 (E)
Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Sampling .4
5 Principle .4
6 Reagents .4
7 Apparatus .5
8 Procedure .5
Bibliography .6

2

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SIST-TS CEN/TS 15920:2010
CEN/TS 15920:2009 (E)
Foreword
This document (CEN/TS 15920:2009) has been prepared by Technical Committee CEN/TC 260 “Fertilizers
and liming materials”, the secretariat of which is held by DIN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to announce this Te
...