SIST EN 17723:2025
(Main)Plant biostimulants - Determination of chloride
Plant biostimulants - Determination of chloride
This document specifies a potentiometric method for the determination of chloride (Cl-) content in the presence or in the absence of organic material. This method is applicable to plant biostimulants.
This document is applicable to the blends of fertilizing products where a blend is a mix of at least two of the following component EU fertilising products categories: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Inhibitors, Plant Biostimulants, and where the following category Plant Biostimulants is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If Plant Biostimulants is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a blend of fertilizing products is composed of components in equal quantity or in case the component EU fertilising products used for the blend have identical formulations , the user decides which standard to apply.
Pflanzen-Biostimulanzien - Chloridbestimmung
In diesem Dokument wird ein potentiometrisches Verfahren zur Bestimmung des Gehalts an Chlorid (Cl−) bei Vorhandensein oder Nichtvorhandensein von organischem Material festgelegt. Dieses Verfahren ist anwendbar auf Pflanzen-Biostimulanzien.
Dieses Dokument ist für die Mischungen von Düngeprodukten anwendbar, in denen eine Mischung aus mindestens zwei der folgenden Kategorien von Komponenten-EU Düngeprodukten besteht: Düngemittel, Kalkdünger, Bodenverbesserungsmittel, Kultursubstrate, Hemmstoffe, Pflanzen-Biostimulanzien und wenn die folgende Kategorie Pflanzen-Biostimulanzien prozentual den höchsten Massen- oder Volumenanteil in der Mischung bzw., bei flüssiger Form, den höchsten Trockenmasseanteil aufweist. Wenn Pflanzen-Biostimulanzien nicht den höchsten prozentualen Anteil in der Mischung ausmachen, ist die für den höchsten prozentualen Anteil geltende Europäische Norm anwendbar. Falls eine Düngemittelmischung aus Komponenten gleicher Menge besteht oder falls die für die Mischung verwendeten Komponenten-EU Düngeprodukte identische Formulierungen haben, entscheidet der Anwender, welche Norm angewendet wird.
Biostimulants des végétaux - Dosage des chlorures
Le présent document spécifie une méthode potentiométrique pour la détermination de la teneur en chlorures (Cl-) en présence ou en absence de matière organique. Cette méthode s’applique aux biostimulants des végétaux.
Le présent document est applicable aux mélanges de fertilisants constitués d’au moins deux composants appartenant aux catégories de fertilisants UE suivantes : engrais, amendements minéraux basiques, amendements du sol, supports de culture, inhibiteurs, biostimulants des végétaux et, dans lesquels la catégorie Biostimulants des végétaux représente le % le plus élevé du mélange en masse ou en volume, ou dans le cas d’un liquide, en masse sèche. Si les biostimulants des végétaux ne représentent pas le % le plus élevé du mélange, la Norme européenne relative au composant représentant le % le plus élevé du mélange s’applique. Dans le cas où un mélange de fertilisants contient des composants en quantité égale ou dans le cas où les composants des fertilisants UE utilisés pour le mélange ont des formulations identiques, l’utilisateur décide quelle norme appliquer.
Rastlinski biostimulanti - Določanje klorida
Ta dokument določa potenciometrično metodo za določanje vsebnosti klorida (Cl-) v prisotnosti ali odsotnosti organskega materiala. Ta metoda se uporablja za rastlinske biostimulante.
Ta dokument se uporablja za mešanice sredstev za gnojenje, ki vsebujejo najmanj dve od naslednjih kategorij sredstev za gnojenje EU: gnojila, sredstva za apnenje, izboljševalci tal, rastni substrati, inhibitorji in rastlinski biostimulanti, pri čemer rastlinski biostimulanti predstavljajo največji masni ali prostorninski odstotek mešanice ali, v primeru tekoče oblike, odstotek suhe mase. Če rastlinski biostimulanti ne predstavljajo največjega odstotka v mešanici, se uporablja evropski standard za največji odstotek mešanice. Če vsebuje mešanica sredstev za gnojenje sestavine v enakih količinah ali če imajo posamezna sredstva za gnojenje EU, uporabljena za mešanico, enake formulacije1, standard za uporabo izbere uporabnik.
General Information
- Status
- Published
- Public Enquiry End Date
- 02-Apr-2023
- Publication Date
- 06-Jan-2025
- Technical Committee
- KAT - Soil quality
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 20-Dec-2024
- Due Date
- 24-Feb-2025
- Completion Date
- 07-Jan-2025
Relations
- Effective Date
- 01-Feb-2025
Overview
EN 17723:2024 - "Plant biostimulants - Determination of chloride" is a CEN standard that specifies a potentiometric titration method to quantify chloride (Cl‑) in plant biostimulants. The method applies whether organic material is present or absent and is suitable for biostimulant products and blends where the plant biostimulant component is the largest fraction. This standard supports compliance with Regulation (EU) 2019/1009 and provides a harmonized procedure for laboratories, manufacturers and regulators to report chloride content (g/kg fresh matter and g/kg dry matter).
Keywords: EN 17723:2024, plant biostimulants, chloride determination, potentiometric method, silver nitrate titration, EU fertilising products.
Key Topics and Requirements
- Scope and applicability: Applies to pure plant biostimulants and blends where plant biostimulants are the highest % by mass/volume (or by dry mass for liquids). If another category dominates the blend, the respective standard applies.
- Analytical principle: Soluble chloride is extracted with water acidified by nitric acid and titrated with 0.1 mol/L silver nitrate. The end point is determined potentiometrically using a silver ion-selective electrode with a reference electrode or a combined electrode.
- Reagents and conditions:
- Use chloride‑free water (conductivity ≤ 0.2 mS/m at 25 °C).
- Nitric acid for acidified extraction; silver nitrate standard solution c = 0.1 mol/L (commercial or standardized - Annex A).
- Measurement temperature recommended at 25 °C ± 2 °C.
- Apparatus and procedure:
- Potentiometer (0.1 mV resolution), electrodes, stirrer, class A volumetric glassware and burettes/automatic pipettes.
- Typical test portion: 1–10 g sample, extracted with 50 mL water + 5 mL nitric acid, stirred 30 min; titrate with 0.1 mL increments (smaller near equivalence).
- Perform blank and recovery tests; correct results for recovery < 95 %.
- Results and precision: Results reported as average of two replicates and convertible to dry-matter basis using EN 17704:2024 dry matter determination. Precision data provided in Annex C; equivalence-point refinement available in Annex B.
Applications and Who Uses It
- Quality control laboratories verifying chloride levels in plant biostimulants and blends.
- Manufacturers for product specification, formulation control and safety (phytotoxicity risk).
- Regulatory bodies and conformity assessment for compliance with the EU Fertilising Products Regulation (FPR).
- R&D teams developing biostimulant formulations and monitoring chloride interactions.
Related Standards
- EN 17702-1:2024 (Sampling), EN 17702-2:2024 (Sample preparation)
- EN 17704:2024 (Dry matter determination)
- EN 17724:2024 (Terminology)
EN 17723:2024 delivers a standardized, reproducible potentiometric chloride assay tailored to the plant biostimulant sector - essential for compliance, product safety and consistent quality reporting.
Frequently Asked Questions
SIST EN 17723:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Plant biostimulants - Determination of chloride". This standard covers: This document specifies a potentiometric method for the determination of chloride (Cl-) content in the presence or in the absence of organic material. This method is applicable to plant biostimulants. This document is applicable to the blends of fertilizing products where a blend is a mix of at least two of the following component EU fertilising products categories: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Inhibitors, Plant Biostimulants, and where the following category Plant Biostimulants is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If Plant Biostimulants is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a blend of fertilizing products is composed of components in equal quantity or in case the component EU fertilising products used for the blend have identical formulations , the user decides which standard to apply.
This document specifies a potentiometric method for the determination of chloride (Cl-) content in the presence or in the absence of organic material. This method is applicable to plant biostimulants. This document is applicable to the blends of fertilizing products where a blend is a mix of at least two of the following component EU fertilising products categories: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Inhibitors, Plant Biostimulants, and where the following category Plant Biostimulants is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If Plant Biostimulants is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a blend of fertilizing products is composed of components in equal quantity or in case the component EU fertilising products used for the blend have identical formulations , the user decides which standard to apply.
SIST EN 17723:2025 is classified under the following ICS (International Classification for Standards) categories: 65.080 - Fertilizers. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 17723:2025 has the following relationships with other standards: It is inter standard links to SIST-TS CEN/TS 17723:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 17723:2025 is associated with the following European legislation: EU Directives/Regulations: 2019/1009; Standardization Mandates: M/564, M/564 AMD 1, M/XXX. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase SIST EN 17723:2025 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2025
Nadomešča:
SIST-TS CEN/TS 17723:2023
Rastlinski biostimulanti - Določanje klorida
Plant biostimulants - Determination of chloride
Pflanzen-Biostimulanzien - Chloridbestimmung
Biostimulants des végétaux - Dosage des chlorures
Ta slovenski standard je istoveten z: EN 17723:2024
ICS:
65.080 Gnojila Fertilizers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 17723
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2024
EUROPÄISCHE NORM
ICS 65.080 Supersedes CEN/TS 17723:2022
English Version
Plant biostimulants - Determination of chloride
Biostimulants des végétaux - Dosage des chlorures Pflanzen-Biostimulanzien - Chloridbestimmung
This European Standard was approved by CEN on 26 August 2024.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17723:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Sampling. 5
5 Principle . 6
6 Reagents . 6
7 Apparatus . 6
8 Procedure . 7
9 Expression of results . 8
10 Precision . 9
11 Test report. 9
Annex A (informative) Preparation and standardization of 0,1 mol/l silver nitrate
solution . 11
Annex B (informative) More exact calculation of the equivalence point of the titration 12
Annex C (informative) Repeatability and reproducibility data . 13
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 . 16
Bibliography . 17
European foreword
This document (EN 17723:2024) has been prepared by Technical Committee CEN/TC 455 “Plant
Biostimulants”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by May 2025, and conflicting national standards shall be
withdrawn at the latest by May 2025.
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 supersedes CEN/TS 17723:2022.
— the European foreword has been updated;
— the Introduction has been revised;
— Clause 2, Normative references, has been updated;
— Clause 6 has been revised;
— Clause 9 has been revised;
— Annex A and Annex B have been updated;
— Annex C has been revised;
— Annex ZA has been added;
— the Bibliography has been updated.
This document has been prepared under a Standardization Request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For relationship with EU Legislation, see informative Annex ZA, which is an integral part of this document.
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 implement this European Standard: 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 the United
Kingdom.
Introduction
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 5 June 2019 [1] laying down rules on the making available on the market
of EU fertilising products (“FPR” or “Fertilising Products Regulation”).
This standardization request, presented as SR M/564 and relevant amendments, also contributes to the
Communication on “Innovating for Sustainable Growth: A Bio economy for Europe”. The interest in plant
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
commercialisation of the European biostimulant industry.
WARNING — Persons using this document should be familiar with normal laboratory practice. This
document does not purport to address all of the safety problems, if any, associated with its use. It is the
responsibility of the user to establish appropriate safety and health practices and to ensure compliance
with any national regulatory conditions.
IMPORTANT — It is absolutely essential that tests conducted in accordance with this document be
carried out by suitably trained staff.
1 Scope
-
This document specifies a potentiometric method for the determination of chloride (Cl ) content in the
presence or in the absence of organic material. This method is applicable to plant biostimulants.
This document is applicable to the blends of fertilizing products where a blend is a mix of at least two of
the following component EU fertilising products categories: Fertilizers, Liming Materials, Soil Improvers,
Growing Media, Inhibitors, Plant Biostimulants, and where the following category Plant Biostimulants is
the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If Plant
Biostimulants is not the highest % in the blend, the European Standard for the highest % of the blend
applies. In case a blend of fertilizing products is composed of components in equal quantity or in case the
component EU fertilising products used for the blend have identical formulations , the user decides
which standard to apply.
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 17702-1:2024, Plant biostimulants — Sampling and sample preparation — Part 1: Sampling
EN 17702-2:2024, Plant biostimulants — Sampling and sample preparation — Part 2: Sample preparation
EN 17704:2024, Plant biostimulants — Determination of dry matter
EN 17724:2024, Plant biostimulants — Terminology
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 17724:2024, 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
chloride content of plant biostimulants
mass fraction of chlorides, expressed in g/kg of dry matter, determined in accordance with the procedure
described in this document
4 Sampling
Sampling is not part of this method specified in this document. For sampling EN 17702-1:2024, shall be
applied.
Laboratory sample preparation shall be carried out in accordance with EN 17702-2:2024. Homogeneous
samples should be used.
An example of such a blend is a product with 2 claimed functions consisting of a non-microbial plant biostimulant
and an organic fertilizer composed of 1 kg/kg of plant biostimulant from seaweed
5 Principle
5.1 General
Soluble chlorides are extracted from the sample with water containing nitric acid. The chloride content
of the solution is titrated with silver nitrate standard solution. The end point is determined
potentiometrically by using either a silver ion selective electrode plus a reference electrode or a
combined electrode.
5.2 Interferences
-
Maintaining the sample at a lower pH can avoid the silver ion from interacting with OH to precipitate as
silver oxide (Ag O), it can minimize the interference of other anions with AgCl formation, and it can
improve the binding between the titrant and the analyte.
6 Reagents
Only reagents of recognized analytical grade shall be used.
6.1 Water.
Water with a specific conductivity not higher than 0,2 mS/m at 25 °C ± 2 °C and free from chlorides shall
be used.
6.2 Nitric acid solution.
1:1 concentrated nitric acid (70 % w/v) shall be diluted in water (6.1).
6.3 Silver nitrate standard solution, c = 0,1 mol/l solution.
A silver nitrate solution of 0,1 mol/l in water (6.1) shall be prepared. Many ready-to-use silver nitrate
solutions are commercially available with the certified concentration or an in-house solution can be
prepared and standardized: in this case the instructions in Annex A shall be followed.
7 Apparatus
Normally, automatic titrators are used. This method describes manual titrations.
Ordinary laboratory equipment and the following shall be used:
7.1 Electromagnetic stirrer and polytetrafluoroethylene (PTFE) coated magnetic bars.
7.2 Glass burettes class A [2], with a reading accuracy of 0,02 ml, or automatic pipettes with a reading
accuracy of 0,002 ml.
7.3 One-mark volumetric glass flasks Class A [3], capacities 150 ml, 500 ml and 1 000 ml and a
graduated glass flask Class A, capacity 100 ml.
7.4 Glass beaker [4], capacity 300 ml.
7.5 Glass conical (Erlenmeyer) flask, capacity 250 ml.
7.6 Potentiometer, with a reading accuracy of 0,1 mV, equipped with an electrode suitable for the
measurement of chloride (e.g. a silver electrode) and a reference electrode (e.g. a mercury(I) sulfate
electrode). Alternatively, use a suitable combination electrode.
8 Procedure
8.1 Temperature for measurements
In order to reduce the effects of thermal and electric hysteresis, the temperatures of the electrodes, the
water used for washing, the standard solutions and the test solution shall be as close to each other as
possible. The temperatures of the standard solutions and the test solution shall not differ by more than
1 °C. The measurement temperature should be 25 °C ± 2 °C whenever possible.
8.2 Preparation of the test portion
Solid samples shall be homogenized without addition of water. Liquid samples shall be mixed well.
Depending on the expected chloride content, with an accuracy of 0,1 mg, 1 g to 10 g of sample shall be
weighted into a beaker (7.4). 50 ml of water (6.1) and 5 ml of nitric acid solution (6.2) shall be added then
mixed for 30 min with a magnetic stirrer (7.1).
8.3 Blank test
A blank test shall be prepared in the same manner (8.2), adding the reagents but omitting the sample.
8.4 Titration
8.4.1 Test portion (sample)
The electrode(s) (7.6) shall be immersed in the sample solution (8.2) then mixed with a magnetic stirrer
(7.1). After having verified the zero of the apparatus, the value of the starting potential shall be noted.
The titration shall be performed using an automatic pipette or manually (7.2) by adding 0,1 ml portions
of the silver nitrate standard solution (6.3), and reading the potential after each addition.
The potentiometer shall stabilize for 1 min to 2 min between each addition. If the potentiometer, at the
beginning of the titration, indicates a high chloride level (low reading), the silver nitrate standard solution
may be added in larger portions (1 ml to 2 ml). Close to the equivalence point, titration shall be performed
using 0,1 ml portions.
At the equivalence point, the difference between two successive voltage readings is the largest.
If the experiment is done by an automatic titrator, the instrument will automatically display the volume
value at the equivalence point after the end point is reached.
8.4.2 Blank test
The titration of the blank test (8.3) shall be performed in the same manner (8.4.1).
8.5 Recovery test
Before carrying out the estimations, the accuracy of the method shall be checked by adding a known
amount of sodium chloride at the expected chloride level to the sample, proceeding from (8.1).
The titration of the recovery test shall be performed in the same manner (8.4.1).
...
La norme SIST EN 17723:2025 se distingue par son approche méthodique dans la détermination du contenu en chlorure (Cl-) dans les biostimulants végétaux, qu'ils soient en présence ou en absence de matière organique. Cette standardisation est essentielle car elle garantit la fiabilité des résultats obtenus, ce qui est crucial pour l'analyse de la qualité des biostimulants végétaux. Parmi ses forces, la norme utilise une méthode potentiométrique, reconnue pour sa précision et sa simplicité. Cette technique permet aux professionnels de l'industrie d'évaluer avec exactitude la concentration de chlorure dans divers mélanges de produits fertilisants, en mettant l'accent sur les biostimulants végétaux. La norme est également pertinente pour des mélanges complexes, intégrant plusieurs catégories de produits fertilisants, ce qui en fait un outil indispensable dans la formulation et l'utilisation de biostimulants. La portée du document est clairement définie, stipulant que la norme s'applique lorsque les biostimulants sont présents en pourcentage majoritaire dans le mélange, ce qui garantit que les analyses sont effectuées conformément à des critères européens reconnus. Cela renforce la crédibilité des résultats et contribue à harmoniser les pratiques au sein de l'industrie. En conclusion, la norme SIST EN 17723:2025 est d'une importance capitale pour le secteur des biostimulants, car elle établit un cadre standardisé pour la détermination du chlorure, favorisant ainsi une meilleure régulation et garantie de qualité des produits sur le marché.
SIST EN 17723:2025は、植物バイオスチミュラントにおける塩化物（Cl-）含量の測定に関する標準化文書であり、その適用範囲は非常に広範です。この標準は、無機物が存在する場合および存在しない場合の両方に対して、ポテンショメトリック法を用いた塩化物含量の決定方法を明確に定義しています。このアプローチにより、植物バイオスチミュラントの品質評価が一貫して行えるため、業界全体での信頼性が高まります。 この標準の強みは、肥料製品のブレンドに対しても幅広く適用できる点です。この文書は、肥料、土壌改良材、植物バイオスチミュラントなど、少なくとも2つのEU肥料製品カテゴリのミックスが対象であり、特に植物バイオスチミュラントの成分が全体の質量または体積において最高の割合を占める場合に適用されます。このように、特定の条件下での明確な適用基準を設定することで、製品の評価プロセスが効率的に進行することを確保しています。 さらに、ブレンド内の成分が同等の割合で構成される場合や、同一の配合が使用される場合には、ユーザーが適用する標準を選択できる柔軟性も備えています。これにより、異なる製品や目的に応じた適切な基準を選ぶことができ、各メーカーが自身のニーズに最適な方法を採用することで、さらなる研究開発が促進されるでしょう。 SIST EN 17723:2025は、植物バイオスチミュラント分野において、環境への影響を最小限に抑えつつ、農業生産性の向上を目指すための重要な基準であり、その適用によって業界全体の品質向上が期待されます。
SIST EN 17723:2025 표준 문서는 식물 생물자극제에서 염화물(Cl-) 함량을 측정하기 위한 전위차적 방법을 규정하고 있습니다. 이 표준은 유기 물질의 존재 여부에 관계없이 적용 가능하며, 식물 생물자극제로서의 중요성을 강조합니다. 본 문서는 비료 제품 혼합물에 적용될 수 있으며, 최소 두 가지 EU 비료 제품 범주의 혼합으로 이루어진 경우에 해당합니다. 혼합물 내에서 식물 생물자극제가 질량 또는 부피 기준으로 가장 큰 비율을 차지할 때 이 표준이 적용됩니다. 이는 다양한 비료 제품을 처리할 때 식물 생물자극제의 역할과 그 중요성을 부각시킵니다. 특히, SIST EN 17723:2025의 강점 중 하나는 사용자가 비료 혼합물이 동일한 수량의 성분으로 구성되거나 동일한 제형을 가진 경우 어떤 표준을 적용할지를 선택할 수 있는 유연성을 제공한다는 점입니다. 이는 실용적인 상황에서도 유용하게 적용될 수 있는 표준임을 보여줍니다. 이 표준의 적합성과 관련성을 고려할 때, 식물 생물자극제의 품질 관리 및 규제가 점점 더 중요해지는 현대 농업 환경에서 SIST EN 17723:2025의 도입은 필수적입니다. 이러한 명확한 기준은 연구자와 산업 관계자에게 신뢰할 수 있는 결과를 제공하며, 비료 산업에서 식물 생물자극제의 규범을 수립하는 데 중요한 역할을 할 것입니다.
The SIST EN 17723:2025 standard presents a significant advancement in the field of plant biostimulants, specifically addressing the method for determining chloride (Cl-) content. The primary scope of this standard is to provide a potentiometric technique that can be utilized whether organic material is present or not, making it versatile and applicable to various scenarios involving plant biostimulants. One of the notable strengths of this standard is its clear definition of applicability to blends of fertilizing products. It includes explicit criteria for establishing when the method for measuring chloride content should be employed, particularly emphasizing situations where Plant Biostimulants constitute the highest percentage by mass or volume in the blend. This ensures that the standard is relevant not only to pure plant biostimulants but also to complex mixtures, thus extending its usability in real-world applications. Furthermore, the standard adeptly handles situations where different fertilizing products are blended, providing guidelines on how to choose which standard to adopt when components are of equal quantity or have identical formulations. This flexibility reinforces its importance in ensuring compliance within the fertilizing products sector, thereby promoting quality assurance for stakeholders involved in the production and use of plant biostimulants. In summary, SIST EN 17723:2025 emerges as a pertinent and robust standard that supports the accurate analysis of chloride in plant biostimulants and their blends, indispensable for both manufacturers and researchers in maintaining product integrity and efficacy in sustainable agriculture practices.
Die Norm SIST EN 17723:2025 legt ein potentiometrisches Verfahren zur Bestimmung des Chloridgehalts (Cl-) fest, das sowohl in Anwesenheit als auch in Abwesenheit von organischem Material Anwendung findet. Diese Methodik ist speziell für Pflanzenbiostimulanzien entwickelt worden, was ihre Relevanz und Bedeutung im Bereich der Agrarwissenschaften unterstreicht. Ein wesentlicher Stärke der Norm ist die klare Anwendbarkeit auf Mischungen von Düngemitteln. Die Definition einer Mischung als Kombination von mindestens zwei der EU-Düngemittelproduktkategorien, in denen Pflanzenbiostimulanzien die höchste prozentuale Masse oder Volumen ausmachen, ermöglicht eine präzise und einheitliche Bewertung. Diese Flexibilität stellt sicher, dass unterschiedliche Produktformulierungen und -zusammensetzungen in einer standardisierten Weise analysiert werden können, was die Vergleichbarkeit von Ergebnissen zwischen verschiedenen Produkten und Herstellern verbessert. Die Norm ist besonders relevant in einem zunehmend regulierten Markt, wo die Konsistenz und Zuverlässigkeit von Testergebnissen entscheidend ist. Die Einführung eines standardisierten Verfahrens zur Bestimmung von Chlorid trägt dazu bei, die Qualität und Sicherheit von Pflanzenbiostimulanzien zu gewährleisten, was sowohl für Produzenten als auch für Verbraucher von großem Interesse ist. Dies fördert das Vertrauen in die Produkte und unterstützt die nachhaltige Landwirtschaft, indem es eine fundierte Entscheidungsbasis für die Anwendung von Pflanzenbiostimulanzien schafft. Insgesamt bietet die SIST EN 17723:2025 eine umfassende und praktikable Lösung für die Bestimmung von Chlorid in Pflanzenbiostimulanzien, die sowohl den aktuellen Anforderungen des Marktes gerecht wird als auch die Forschungs- und Entwicklungsideen in diesem Bereich vorantreibt.
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