SIST EN 15705:2010

SLOVENSKI STANDARD
kSIST FprEN 15705:2009
01-november-2009
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Fertilizers - Determination of urea condensates using high-performance liquid
chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and
methylene-urea oligomers (method B)
Düngemittel - Bestimmung von Harnstoffkondensaten mit Hochleistungs-
Flüssigchromatographie (HPLC) - Isobutylidendiharnstoff und Crotonylidendiharnstoff
(Verfahren A) und Methylenharnstoff-Oligomere (Verfahren B)
Engrais - Dosage des condensats d'urée par chromatographie liquide haute performance
(HPLC) - Isobutylidène diurée et crotonylidène diurée (méthode A) et oligomères de
méthylene-urée (méthode B)
Ta slovenski standard je istoveten z: FprEN 15705
ICS:
65.080 Gnojila Fertilizers
kSIST FprEN 15705:2009 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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kSIST FprEN 15705:2009

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kSIST FprEN 15705:2009


EUROPEAN STANDARD
FINAL DRAFT
FprEN 15705
NORME EUROPÉENNE

EUROPÄISCHE NORM

August 2009
ICS 65.080 Will supersede CEN/TS 15705:2009
English Version
Fertilizers - Determination of urea condensates using high-
performance liquid chromatography (HPLC) -
Isobutylidenediurea and crotonylidenediurea (method A) and
methylene-urea oligomers (method B)
Engrais - Dosage des condensats d'urée par Düngemittel - Bestimmung von Harnstoffkondensaten mit
chromatographie liquide haute performance (HPLC) - Hochleistungs-Flüssigchromatographie (HPLC) -
Isobutylidène diurée et crotonylidène diurée (méthode A) et Isobutylidendiharnstoff und Crotonylidendiharnstoff
oligomères de méthylene-urée (méthode B) (Verfahren A) und Methylenharnstoff-Oligomere (Verfahren
B)
This draft European Standard is submitted to CEN members for unique acceptance procedure. 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 Management Centre has the
same status as the official versions.

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.



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

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. FprEN 15705:2009: E
worldwide for CEN national Members.

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kSIST FprEN 15705:2009
FprEN 15705:2009 (E)
Contents Page
Foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
4 Sampling and sample preparation .5
5 Method A: Determination of CDU and IBDU .5
6 Method B: Determination of methylen-urea oligomers (MU) .8
7 Precision method A and method B .
...