CEN/TS 15475:2006

Fertilizers - Determination of ammoniacal nitrogen

This document specifies a method for the determination of the ammoniacal nitrogen content in fertilizers. The method is applicable to all nitrogenous fertilizers, including compound fertilizers, in which nitrogen is found exclusively either in the form of ammonium salts, or ammonium salts together with nitrates.
The document is not applicable to fertilizers containing urea, cyanamide or other organic nitrogenous compounds.

Düngemittel - Bestimmung von Ammoniumstickstoff

Engrais - Détermination de l'azote ammoniacal

La présente Spécification Technique spécifie une méthode pour détermination de la teneur en azote ammoniacal dans les engrais. La méthode est applicable à tous les engrais azotés, y compris les engrais composés, dans lesquels l’azote se trouve exclusivement sous forme de sels d’ammonium ou de sels d’ammonium associés à des nitrates.
Le présent document ne s’applique pas aux engrais contenant de l’urée, de la cyanamide ou d’autres composés organiques azotés.

Gnojila – Določevanje amonijevega dušika

General Information

• Status: Withdrawn
• Publication Date: 26-Sep-2006
• Withdrawal Date: 20-Jan-2009
• 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: 21-Jan-2009
• Completion Date: 21-Jan-2009
• 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 15475:2006 - Fertilizers - Determination of ammoniacal nitrogen

Relations

• Replaced By: EN 15475:2009 - Fertilizers - Determination of ammoniacal nitrogen
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST-TS CEN/TS 15475:2006
01-december-2006
*QRMLOD±'RORþHYDQMHDPRQLMHYHJDGXãLND
Fertilizers - Determination of ammoniacal nitrogen
Düngemittel - Bestimmung von Ammoniumstickstoff
Engrais - Détermination de l'azote ammoniacal
Ta slovenski standard je istoveten z: CEN/TS 15475:2006
ICS:
65.080 Gnojila Fertilizers
SIST-TS CEN/TS 15475:2006 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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TECHNICAL SPECIFICATION
CEN/TS 15475
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
September 2006
ICS 65.080

English Version
Fertilizers - Determination of ammoniacal nitrogen
Engrais - Détermination de l'azote ammoniacal Düngemittel - Bestimmung von Ammoniumstickstoff
This Technical Specification (CEN/TS) was approved by CEN on 24 June 2006 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, 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: rue de Stassart, 36  B-1050 Brussels
© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 15475:2006: E
worldwide for CEN national Members.

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CEN/TS 15475:2006 (E)
Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle.4
5 Reagents.4
6 Apparatus .6
7 Sampling and sample preparation.11
8 Procedure .11
9 Calculation and expression of the result .13
10 Precision.13
11 Test report .14
Annex A (informative) Results of the inter-laboratory tests .15
Bibliography .16

2

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CEN/TS 15475:2006 (E)
Foreword
This document (CEN/TS 15475:2006) has been prepared by Technical Committee CEN/TC 260 “Fertilizers
and liming materials”, the secretariat of which is held by DIN.
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 CEN Technical Specification: Austria, Belgium
...