Organo-mineral fertilizers - Determination of the fraction of complexed micronutrients

This document specifies a general method for the determination of the micronutrients complexed by complexing agents in organo-mineral fertilizers. The method allows the determination of the total concentration of each complexed micronutrient in complexes after subtraction of the chelated micro-nutrients content, but it does not identify the individual complexing agents.
This procedure concerns EU organo-mineral fertilizing products which contain complexed micro-nutrients covered by Regulation (EU) 2019/1009 [6]. The method is applicable to a mass fraction of the metal complexed of at least 0,07 %, 0,006 % and 0,035 % of Fe, Mn and Zn respectively (see [7]). A lower limit of quantification has not been established for Cu and Co.

Organisch-mineralische Düngemittel - Bestimmung des Anteils an komplexierten Spurennährstoffen

Dieses Dokument legt ein allgemeines Verfahren zur Bestimmung von in organisch-mineralischen Düngemitteln durch Komplexbildner komplexierte Spurennährstoffen fest. Dieses Verfahren ermöglicht die Bestimmung der Gesamtkonzentration jedes komplexierten Spurennährstoffs in Komplexen nach Subtraktion des Gehalts an chelatisierten Spurennährstoffen. Es ermöglicht jedoch nicht die Bestimmung des jeweiligen Komplexbildners.
Dieses Verfahren bezieht sich auf organisch-mineralische Düngeprodukte der EU, die komplexierte Spurennährstoffe enthalten, die unter die Verordnung (EU) 2019/1009 fallen [6]. Das Verfahren ist bei einem Massenanteil des komplexierten Metalls von mindestens 0,07 %, 0,006 % und 0,035 % an Fe, Mn bzw. Zn anwendbar (siehe [7]). Eine niedrigere Bestimmungsgrenze wurde für Cu und Co nicht ermittelt.

Engrais organo-minéraux - Détermination de la fraction d'oligo-éléments complexés

Le présent document spécifie une méthode générale de dosage des oligo-éléments complexés par des agents complexants dans les engrais organo-minéraux. La méthode permet de déterminer la concentration totale de chaque oligo-élément complexé dans des complexes, après avoir soustrait la teneur en oligo-éléments chélatés, mais elle ne permet pas d’identifier les agents complexants individuels.
Ce mode opératoire concerne les fertilisants organo-minéraux UE qui contiennent des oligo-éléments complexés couverts par le Règlement (UE) 2019/1009 [6]. La méthode est applicable à une fraction massique du métal complexé d’au moins 0,07 %, 0,006 % et 0,035 % de Fe, Mn et Zn respectivement (voir [7]). Une limite de quantification plus basse n’a pas été établie pour le Cu et le Co.

Organsko-mineralna gnojila - Določanje deleža kompleksiranih mikrohranil

Ta dokument določa splošno metodo za določevanje mikrohranil, kompleksiranih s sredstvi za kompleksiranje v organsko-mineralnih gnojilih. Metoda omogoča določanje skupne koncentracije vsakega kompleksiranega mikrohranila v kompleksih po odštetju vsebnosti kelatiranih mikrohranil, vendar ne identificira posameznih sredstev za kompleksiranje.
Ta postopek se navezuje na organsko-mineralna sredstva za gnojenje EU, ki vsebujejo kompleksirana mikrohranila, zajeta v Uredbi (EU) 2019/1009 [6]. Metoda se uporablja za masni delež kompleksirane kovine najmanj 0,07 %, 0,006 % oziroma 0,035 % Fe, Mn oziroma Zn (glej točko [7]). Spodnja meja kvantifikacije za Cu in Co ni določena.

General Information

Status
Published
Publication Date
05-Apr-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
06-Apr-2022
Due Date
28-Jan-2023
Completion Date
06-Apr-2022

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SLOVENSKI STANDARD
SIST-TS CEN/TS 17788:2023
01-februar-2023
Organsko-mineralna gnojila - Določanje deleža kompleksiranih mikrohranil

Organo-mineral fertilizers - Determination of the fraction of complexed micronutrients

Organisch-mineralische Düngemittel - Bestimmung des Anteils an komplexierten
Spurennährstoffen

Engrais organo-minéraux - Détermination de la fraction d'oligo-éléments complexés

Ta slovenski standard je istoveten z: CEN/TS 17788:2022
ICS:
65.080 Gnojila Fertilizers
SIST-TS CEN/TS 17788:2023 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST-TS CEN/TS 17788:2023
---------------------- Page: 2 ----------------------
SIST-TS CEN/TS 17788:2023
CEN/TS 17788
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
April 2022
TECHNISCHE SPEZIFIKATION
ICS 65.080
English Version
Organo-mineral fertilizers - Determination of the fraction
of complexed micronutrients

Engrais organo-minéraux - Détermination de la Organisch-mineralische Düngemittel - Bestimmung des

fraction d'oligo-éléments complexés Anteils an komplexierten Spurennährstoffen

This Technical Specification (CEN/TS) was approved by CEN on 21 February 2022 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, 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.
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. CEN/TS 17788:2022 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST-TS CEN/TS 17788:2023
CEN/TS 17788:2022 (E)
Contents Page

European foreword ............................................................................................................................................ 3

Introduction .......................................................................................................................................................... 4

1 Scope .......................................................................................................................................................... 5

2 Normative references .......................................................................................................................... 5

3 Terms and definitions ......................................................................................................................... 5

4 Principle ................................................................................................................................................... 5

5 Interferences .......................................................................................................................................... 6

6 Reagents ................................................................................................................................................... 6

7 Apparatus ................................................................................................................................................ 6

8 Sampling and sample preparation ................................................................................................. 7

9 Procedure ................................................................................................................................................ 7

9.1 Preparation of the sample solution ................................................................................................ 7

9.2 Precipitation ........................................................................................................................................... 7

9.3 Spectrometric determination ........................................................................................................... 8

9.4 Water-soluble micronutrient content determination ............................................................. 8

10 Expression of results ........................................................................................................................... 8

10.1 Complexed micronutrient content in the fertilizer .................................................................. 8

10.2 Complexed fraction of a micronutrient in the fertilizer ......................................................... 8

11 Test report ............................................................................................................................................... 9

Bibliography ....................................................................................................................................................... 10

---------------------- Page: 4 ----------------------
SIST-TS CEN/TS 17788:2023
CEN/TS 17788:2022 (E)
European foreword

This document (CEN/TS 17788:2022) 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 shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a Standardization Request given to CEN by the European

Commission and the European Free Trade Association.

Any feedback and questions on this document should be directed to the users’ national standards body.

A complete listing of these bodies can be found on the CEN website.

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to announce this Technical Specification: 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 the United

Kingdom.
---------------------- Page: 5 ----------------------
SIST-TS CEN/TS 17788:2023
CEN/TS 17788:2022 (E)
Introduction

Micronutrients are considered to be, in plant nutrition, a number of elements known to be needed in

small amounts for proper plant growth and development. The most common are Iron (Fe), Manganese

(Mn), Molybdenum (Mo), Copper (Cu), Zinc (Zn) and Boron (B).

If an organo-mineral fertilizer contains a substance, or one of the substances in the mixture, which is

intended to enhance the long-term availability to plants of micronutrients in the EU fertilizing product,

that substance can be either a chelating agent or a complexing agent.

The incorporation of complexing agents in organo-mineral fertilizers is intended to enhance the long-

term availability to plants of micronutrients in such EU fertilizing products.

WARNING – Users of this document should be familiar with normal laboratory practice. This document

does not purport to address all of the safety issues, if any, associated with its use. It is the responsibility

of the user to establish appropriate health and safety practices and to ensure compliance with any

national regulatory conditions.

IMPORTANT – It is absolutely essential that tests conducted according to this document are carried out

by suitably trained staff.
---------------------- Page: 6 ----------------------
SIST-TS CEN/TS 17788:2023
CEN/TS 17788:2022 (E)
1 Scope

This document specifies a general method for the determination of the micronutrients complexed by

complexing agents in organo-mineral fertilizers. The method allows the determination of the total

concentration of each complexed micronutrient in complexes after subtraction of the chelated micro-

nutrients content, but it does not identify the individual complexing agents.

This procedure concerns EU organo-mineral fertilizing products which contain complexed micro-

nutrients covered by Regulation (EU) 2019/1009 [6]. The method is applicable to a mass fraction of the

metal complexed of at least 0,07 %, 0,006 % and 0,035 % of Fe, Mn and Zn respectively (see [7]). A lower

limit of quantification has not been established for Cu and Co.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 12944-1, Fertilizers and liming materials — Vocabulary — Part 1: General terms

EN 12944-2, Fertilizers and liming materials — Vocabulary — Part 2: Terms relating to fertilizers

EN 16962, Fertilizers — Extraction of water soluble micro
...

SLOVENSKI STANDARD
kSIST-TS FprCEN/TS 17788:2021
01-december-2021
Organsko-mineralna gnojila - Določevanje frakcije kompleksno vezanih
mikrohranil

Organo-mineral fertilizers - Determination of the fraction of complexed micronutrients

Organisch-mineralische Düngemittel - Bestimmung des Anteils an komplexierten
Spurennährstoffen
Ta slovenski standard je istoveten z: FprCEN/TS 17788
ICS:
65.080 Gnojila Fertilizers
kSIST-TS FprCEN/TS 17788:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
kSIST-TS FprCEN/TS 17788:2021
---------------------- Page: 2 ----------------------
kSIST-TS FprCEN/TS 17788:2021
FINAL DRAFT
TECHNICAL SPECIFICATION
FprCEN/TS 17788
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
October 2021
ICS 65.080
English Version
Organo-mineral fertilizers - Determination of the fraction
of complexed micronutrients
Organisch-mineralische Düngemittel - Bestimmung des
Anteils an komplexierten Spurennährstoffen

This draft Technical Specification is submitted to CEN members for Vote. It has been drawn up by the Technical Committee

CEN/TC 260.

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 Technical Specification. It is distributed for review and comments. It is subject to change

without notice and shall not be referred to as a Technical Specification.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. FprCEN/TS 17788:2021 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
kSIST-TS FprCEN/TS 17788:2021
FprCEN/TS 17788:2021 (E)
Contents Page

European foreword ............................................................................................................................................ 3

Introduction .......................................................................................................................................................... 4

1 Scope .......................................................................................................................................................... 5

2 Normative references .......................................................................................................................... 5

3 Terms and definitions ......................................................................................................................... 5

4 Principle ................................................................................................................................................... 5

5 Interferences .......................................................................................................................................... 6

6 Reagents ................................................................................................................................................... 6

7 Apparatus ................................................................................................................................................ 6

8 Sampling and sample preparation ................................................................................................. 6

9 Procedure ................................................................................................................................................ 7

9.1 Preparation of the sample solution ................................................................................................ 7

9.2 Precipitation ........................................................................................................................................... 7

9.3 Spectrometric determination ........................................................................................................... 7

9.4 Water-soluble micronutrient content determination ............................................................. 8

10 Expression of results ........................................................................................................................... 8

10.1 Complexed micronutrient content in the fertilizer .................................................................. 8

10.2 Complexed fraction of a micronutrient in the fertilizer ......................................................... 8

11 Test report ............................................................................................................................................... 9

Bibliography ....................................................................................................................................................... 10

---------------------- Page: 4 ----------------------
kSIST-TS FprCEN/TS 17788:2021
FprCEN/TS 17788:2021 (E)
European foreword

This document (FprCEN/TS 17788:2021) has been prepared by Technical Committee CEN/TC 260

“Fertilizers and liming materials”, the secretariat of which is held by DIN.
This document is currently submitted to the Vote on TS.

This document has been prepared under a Standardization Request given to CEN by the European

Commission and the European Free Trade Association.
---------------------- Page: 5 ----------------------
kSIST-TS FprCEN/TS 17788:2021
FprCEN/TS 17788:2021 (E)
Introduction

Micronutrients are considered to be, in plant nutrition, a number of elements known to be needed in

small amounts for proper plant growth and development. The most common are Iron (Fe), Manganese

(Mn), Molybdenum (Mo), Copper (Cu), Zinc (Zn) and Boron (B).

If an organo-mineral fertilizer contains a substance, or one of the substances in the mixture, which is

intended to enhance the long term availability to plants of micronutrients in the EU fertilizing product,

that substance can be either a chelating agent or a complexing agent.

The incorporation of complexing agents in organo-mineral fertilizers is intended to enhance the long

term availability to plants of micronutrients in such EU fertilizing products.

WARNING – Users of this document should be familiar with normal laboratory practice. This document

does not purport to address all of the safety issues, if any, associated with its use. It is the responsibility

of the user to establish appropriate health and safety practices and to ensure compliance with any

national regulatory conditions.

IMPORTANT – It is absolutely essential that tests conducted according to this document are carried out

by suitably trained staff.
---------------------- Page: 6 ----------------------
kSIST-TS FprCEN/TS 17788:2021
FprCEN/TS 17788:2021 (E)
1 Scope

This document specifies a general method for the determination of the micronutrients complexed by

complexing agents in organo-mineral fertilizers. The method allows the determination of the total

concentration of each complexed micronutrient in complexes after subtraction of the chelated micro-

nutrients content, but it does not identify the individual complexing agents.

This procedure concerns EU organo-mineral fertilizing products which contain complexed micro-

nutrients covered by Regulation (EU) 2019/1009 [6]. The method is applicable to a mass fraction of the

metal complexed of at least 0,07 %, 0,006 % and 0,035 % of Fe, Mn and Zn respectively (see [7]). A lower

limit of quantification has not been established for Cu and Co.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 12944-1, Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms

EN 12944-2, Fertilizers and liming materials and soil improvers - Vocabulary - Part 2: Terms relating to

fertilizers

EN 16963, Fertilizers - Determination of boron, cobalt, copper, iron, manganese, molybdenum and zinc

using ICP-AES

EN 16962, Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic

compounds from fertilizer extracts

EN 16965, Fertilizers - Determination of cobalt, copper, iron, manganese and zinc using flame atomic

absorption spectrometry (FAAS)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 12944-1 and EN 12944-2 and

the following apply.

ISO and IEC maintain terminological databases for use in standardization at the fol

...

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