SIST EN 17864:2024
(Main)Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)
Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)
This document specifies a method for the determination of nitrogen content in IBDU (isobutylidene-diurea) and CDU (crotonylidenediurea) using high-performance liquid chromatography (HPLC).
Anorganische Düngemittel - Bestimmung des Stickstoffgehalts in IBDU (Isobutylidendiharnstoff) und CDU (Crotonylidendiharnstoff)
Dieses Dokument legt ein Verfahren zur Bestimmung des Stickstoffgehalts in IBDU (Isobutylidendiharnstoff) und CDU (Crotonylidendiharnstoff) durch Hochleistungs-Flüssigkeitschromatographie (en: High Performance Liquid Chromatography [HPLC]) fest.
Engrais inorganiques - Détermination de la teneur en azote dans l'IBDU (isobutylidène diurée) et la CDU (crotonylidène diurée)
Le présent document spécifie une méthode pour la détermination de la teneur en azote dans l’IBDU (isobutylidène diurée) et la CDU (crotonylidène diurée) par chromatographie liquide à haute performance (HPLC).
Anorganska gnojila - Določanje dušika v IBDU (izobutilidendiurea) in CDU (krotonilidendiurea)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 17864:2022
01-julij-2022
Anorganska gnojila - Določevanje dušika v IBDU (izobutilidendiurea) in CDU
((krotonilidendiurea)
Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and
CDU (crotonylidenediurea)
Anorganische Düngemittel - Bestimmung des Stickstoffgehalts in IBDU
(Isobutylidendiharnstoff) und CDU (Crotonylidendiharnstoff)
Ta slovenski standard je istoveten z: prEN 17864
ICS:
65.080 Gnojila Fertilizers
oSIST prEN 17864:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 17864:2022
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oSIST prEN 17864:2022
DRAFT
EUROPEAN STANDARD
prEN 17864
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2022
ICS Will supersede
English Version
Inorganic fertilizers - Determination of nitrogen content in
IBDU (isobutylidenediurea) and CDU
(crotonylidenediurea)
Anorganische Düngemittel - Bestimmung des
Stickstoffgehalts in IBDU (Isobutylidendiharnstoff) und
CDU (Crotonylidendiharnstoff)
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 260.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17864:2022 E
worldwide for CEN national Members.
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oSIST prEN 17864:2022
prEN 17864:2022 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Principle . 4
5 Reagents . 4
6 Apparatus and equipment . 4
7 Sampling and sample preparation . 5
8 Procedure . 5
9 Calculation and expression of the result . 6
10 Precision . 7
11 Test report .
...
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