SIST EN 17725:2025
(Main)Plant biostimulants - Determination of the quantity (indicated by mass or volume)
Plant biostimulants - Determination of the quantity (indicated by mass or volume)
This document proposes a verification method for the quantities / volumes which are declared on the label of plant biostimulants products.
Pflanzen-Biostimulanzien - Bestimmung der Menge (durch Angabe der Masse oder des Volumens)
In diesem Dokument werden die Verfahren festgelegt, die zur Bestimmung der Menge von in fester und flüssiger Form und in Packungen, Behältern oder in loser Schüttung vorliegenden Pflanzen-Biostimulanzien zu verwenden sind.
Dieses Dokument ist nicht anwendbar auf die Bestimmung der Menge von: Bodenverbesserungsmitteln, Kultursubstraten, organischen und organisch-mineralischen Düngemitteln und Mischungen von Dünge¬produkten, deren Hauptbestandteil ein Kultursubstrat oder Bodenverbesserungsmittel ist. Das Verfahren zur Bestimmung der Menge bei diesen Produkten wird in EN 15761, EN 15238 und EN 12580 beschrieben.
Biostimulants des végétaux - Détermination de la quantité (indiquée en masse ou en volume)
Le présent document spécifie les méthodes à utiliser pour la détermination de la quantité de biostimulants des végétaux sous forme solide et liquide dans des emballages, des conteneurs ou en vrac.
Le présent document ne s’applique pas à la détermination de la quantité de ce qui suit : amendements du sol, supports de culture, engrais organiques et organo-minéraux et mélanges de fertilisants dont le principal composant est un support de culture ou un amendement du sol. La méthode de détermination de la quantité pour ces produits est fournie dans l’EN 15761, l’EN 15238 et l’EN 12580.
Rastlinski biostimulanti - Določanje količine (upoštevajoč maso ali prostornino)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 17725:2023
01-maj-2023
Rastlinski biostimulanti - Določanje količine (mase ali prostornine)
Plant biostimulants - Determination of the quantity (indicated by mass or volume)
Pflanzen-Biostimulanzien - Bestimmung der Menge (durch Angabe der Masse oder des
Volumens)
Biostimulants des végétaux - Détermination de la quantité (indiquée en masse ou en
volume)
Ta slovenski standard je istoveten z: prEN 17725
ICS:
65.080 Gnojila Fertilizers
oSIST prEN 17725:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN 17725:2023
oSIST prEN 17725:2023
DRAFT
EUROPEAN STANDARD
prEN 17725
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2023
ICS 65.080 Will supersede CEN/TS 17725:2022
English Version
Plant biostimulants - Determination of the quantity
(indicated by mass or volume)
Biostimulants des végétaux - Détermination de la Pflanzen-Biostimulanzien - Bestimmung der Menge
quantité (indiquée en masse ou en volume) (durch Angabe der Masse oder des Volumens)
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 455.
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, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17725:2023 E
worldwide for CEN national Members.
oSIST prEN 17725:2023
prEN 17725:2023 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Method of quantity determination . 6
4.1 Quantity declaration . 6
4.2 Determination of quantity of product in solid and liquid form when sold by mass . 7
4.2.1 Apparatus . 7
4.2.2 Equipment checks . 7
4.2.3 Method . 7
4.3 Determination of quantity of product in liquid form when sold by volume . 8
4.3.1 Apparatus . 8
4.3.2 Equipment check . 8
4.3.3 Determination of density . 8
4.3.4 Method .12
4.4 Determination of quantity of product in solid form when sold by volume .12
4.5 Plant biostimulant in package marked in both mass and volume .12
5 Precision .12
6 Test report .12
Annex A (normative) Scale intervals .14
Annex B (informative) Repeatability and reproducibility data .15
B.1 Laboratory comparison study for the determination of density .15
B.1.1 Materials used in the laboratory comparison study for the determination of density
....................................................................................................................................................................15
B.1.2 Interlaboratory comparison results .15
B.2 Laboratory comparison study for the determination of quantity .16
B.2.1 Materials used in the laboratory comparison study for the determination of quantity
....................................................................................................................................................................16
B.2.2 Interlaboratory comparison results .17
Annex ZA (informative) Relationship of this European Standard and the essential
requirements of Regulation (EU) 2019/1009 making available on the market of EU
fertilising products aimed to be covered.19
Bibliography .20
oSIST prEN 17725:2023
prEN 17725:2023 (E)
European foreword
This document (prEN 17725:2023) has been prepared by Technical Committee CEN/TC 455 “Plant
Biostimulants”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN enquiry.
This document will supersede CEN/TS 17725:2022.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), see informative Annex ZA, which is an integral part
of this document.
oSIST prEN 17725:2023
prEN 17725:2023 (E)
Introduction
This document specifies the methods to be used for the determination of quantity of plant biostimulants
products sold or offered for sale. It is relevant to the quantity declarations given in European Regulation
2019/1009. Wherever possible, quantity determination checks shall be carried out at the premises of the
packer/importer/seller.
This document was prepared by the experts of CEN/TC 455 “Plant Biostimulants”. The European
Committee for Standardization (CEN) was requested by the European Commission (EC) to draft
European standards or European standardization deliverables to support the implementation of
Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down
rules on the making available on the market of EU fertilising products (“FPR” or “Fertilising Products
Regulation”). This standardization request, presented as M/564 and M/564 Amd1, also contributes to
the Communication on “Innovating for Sustainable Growth: A Bio economy for Europe”. Working Group
5 “Labelling and denominations” was created to develop a work program as part of this standardization
request.
Technical Committee CEN/TC 455 “Plant Biostimulants” was established to carry out the work program
that will prepare a series of standards. The interest in biostimulants has increased significantly in Europe
as a valuable tool to use in agriculture. Standardization was identified as having an important role in
order to promote the use of biostimulants. The work of CEN/TC 455 seeks to improve the reliability of
the supply chain, thereby improving the confidence of farmers, industry, and consumers in biostimulants,
and will promote and support commercialization of the European biostimulant industry.
oSIST prEN 17725:2023
prEN 17725:2023 (E)
1 Scope
This document specifies the methods to be used for the determination of quantity of solid and liquid
forms of plant biostimulants in packages, containers or in bulk.
This document is not applicable to the quantity determination of: soil improvers, growing media, organic
and organo-mineral fertilizers and fertilizing product blends whose main constituent is a growing media
or soil improver. The method for quantity determination for these products is given in EN 15761,
EN 15238 and EN 12580.
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 17702-1:— , Plant biostimulants — Sampling and sample preparation — Part 1: Sampling
EN 17724:— , Plant biostimulants — Terminology
EN 45501:2015, Metrological aspects of non-automatic weighing instruments
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 17724:— and the following
apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at https://www.iso.org/obp
• IEC Electropedia: available at https://www.electropedia.org/
3.1
liquid form
suspension or solution, where a suspension is a two-phase dispersion in which solid particles are
maintained in suspension in the liquid phase
3.2
solution
liquid that is free of solid particles, or a gel and includes pastes
Note 1 to entry: “Liquids” include products in liquid form and solutions.
Note 2 to entry: The definition is based on Regulation (EU) 2019/1009 [1], Chapter 1, Article 2, (6).
3.3
solid form
form characterized by structural rigidity and resistance to changes of shape or volume and in which
atoms are tightly bound to each other, either in a regular geometric lattice (crystalline solids) or in an
irregular manner (an amorphous solid)
Note 1 to entry: The definition is based on Regulation (EU) 2019/1009 [1], Chapter 1, Article 2, (7).
Under preparation
Under preparation
oSIST prEN 17725:2023
prEN 17725:2023 (E)
3.4
weighing instrument
instrument serving to determine the mass of a body by using the action of gravity on that body
3.5
non-automatic weighing instrument
weighing instrument requiring the intervention of an operator during the weighing process to decide that
the weighing result is acceptable
3.6
nominal quantity
nominal weight or nominal volume
mass or volume indicated on the container, i.e. the quantity of product which the container is deemed to
contain
3.7
net quantity
actual mass or volume of the contents which a package contains
3.8
gross quantity
actual mass of the package plus contents
3.9
bulk material
material that is not packaged
3.10
package
container and its contents
3.11
container
closed receptacle directly in contact with a plant biostimulant whereby the plant biostimulant may be
transported or stored in unit quantities
EXAMPLE Road tanker, lorry, ship or boat, bag, bottle, tank, barrel.
4 Method of quantity determination
4.1 Quantity declaration
The quantity in terms of mass or volume of plant biostimulant shall be at least the nominal quantity stated
on the container or documentation associated with the product.
NOTE Attention is drawn to the existence of national regulations that specify the unit of measurement (weight
or volume) used for the quantity declaration.
oSIST prEN 17725:2023
prEN 17725:2023 (E)
4.2 Determination of quantity of product in solid and liquid form when sold by mass
4.2.1 Apparatus
A suitable weighing instrument.
“Suitable” means of a type sufficiently accurate to determine the actual quantity of the product (gross
weight) and mass of the packaging used so that a net quantity of the contents can be determined.
“Suitable type” means an instrument that complies with the requirements of EN 45501:2015.
“Sufficiently accurate” means that the scale intervals and sensitivity of the instrument are appropriate to
detect the quantity of the product and of the package/wrapping. This will depend on the nominal quantity
of p
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