Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd

This Technical Specification specifies a method for the determination of nitric and ammoniacal nitrogen with reduction according to Arnd (modified for each of the variants a, b and c).
The method is applicable to all nitrogenous fertilizers, including compound fertilizers, in which nitrogen is found exclusively in nitrate form, or in ammoniacal and nitrate form.

Düngemittel - Bestimmung von Nitrat- und Ammoniumstickstoff nach Arnd

Engrais - Détermination de l'azote nitrique et ammoniacal selon Arnd

La présente Spécification technique spécifie une méthode de dosage de l’azote nitrique et ammoniacal, avec réduction, selon Arnd (modifiée pour chacune des variantes a, b et c).
La présente méthode est applicable à tous les engrais azotés, y compris les engrais composés où l’azote se trouve exclusivement sous forme nitrique ou sous forme ammoniacale et nitrique.

Gnojila - Določevanje nitratnega in amonijevega dušika po Arndu

General Information

Status
Withdrawn
Publication Date
20-Mar-2007
Withdrawal Date
20-Jan-2009
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
21-Jan-2009
Completion Date
21-Jan-2009

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST-TS CEN/TS 15559:2008
01-marec-2008
*QRMLOD'RORþHYDQMHQLWUDWQHJDLQDPRQLMHYHJDGXãLNDSR$UQGX
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
Düngemittel - Bestimmung von Nitrat- und Ammoniumstickstoff nach Arnd
Engrais - Détermination de l'azote nitrique et ammoniacal selon Arnd
Ta slovenski standard je istoveten z: CEN/TS 15559:2007
ICS:
65.080
SIST-TS CEN/TS 15559:2008 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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TECHNICAL SPECIFICATION
CEN/TS 15559
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
March 2007
ICS 65.080

English Version
Fertilizers - Determination of nitric and ammoniacal nitrogen
according to Ulsch
Engrais - Détermination de l'azote nitrique et ammoniacal Düngemittel - Bestimmung von Nitrat- und
selon Ulsch Ammoniumstickstoff nach Arnd
This Technical Specification (CEN/TS) was approved by CEN on 1 January 2007 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: rue de Stassart, 36  B-1050 Brussels
© 2007 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 15559:2007: E
worldwide for CEN national Members.

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CEN/TS 15559:2007 (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 .14
10 Test report .14
Bibliography .15

2

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CEN/TS 15559:2007 (E)
Foreword
This document (CEN/TS 15559:2007) 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 Technical Specification: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuani
...

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