EN 15749:2009
(Main)Fertilizers - Determination of sulfates content using three different methods
Fertilizers - Determination of sulfates content using three different methods
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).
Düngemittel - Bestimmung von Sulfat mit drei verschiedenen Verfahren
Diese Europäische Norm legt drei verschiedene Verfahren (Verfahren A, B und C) für die Bestimmung des in Düngemittelextrakten vorliegenden Schwefels in Form von Sulfaten fest. Als Verfahren A ist das gravimetrische Verfahren festgelegt. Als Verfahren B ist die Bestimmung mittels optischer Emissionsspektro¬metrie mit induktiv gekoppeltem Plasma (ICP OES) festgelegt. Als Verfahren C ist die Vorgehensweise mittels Ionenchromatographie (IC) festgelegt.
Engrais - Dosage des sulfates selon trois méthodes différentes
La présente norme européenne spécifie trois méthodes différentes (méthodes A, B et C) de dosage du soufre présent dans les extraits d’engrais sous forme de sulfate. La méthode A utilise la gravimétrie. La méthode B emploie la spectrométrie d’émission optique à plasma inductif (ICP-OES). La méthode C a recours à la chromatographie ionique (IC).
Gnojila - Določevanje sulfatov s tremi različnimi metodami
Ta evropski standard opredeljuje tri različne metode (Metodo A, B in C) za določanje žvepla, prisotnega v ekstraktih gnojil v obliki sulfatov. Metoda A določa gravimetrično metodo. Metoda B določa metodo z uporabo optične spektrometrije z induktivno sklopljeno plazmo (ICP-OES). Metoda C določa metodo z uporabo ionske kromatografije (IC).
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EN 15749:2009 is a standard published by the European Committee for Standardization (CEN). Its full title is "Fertilizers - Determination of sulfates content using three different methods". This standard covers: This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).
EN 15749:2009 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.
EN 15749:2009 has the following relationships with other standards: It is inter standard links to CEN/TS 15749:2008, EN 15749:2022. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 15749:2009 is associated with the following European legislation: Standardization Mandates: M/335. 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.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Düngemittel - Bestimmung von Sulfat mit drei verschiedenen VerfahrenEngrais - Dosage des sulfates selon trois méthodes différentesFertilizers - Determination of sulfates content using three different methods65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 15749:2009SIST EN 15749:2010en,fr,de01-februar-2010SIST EN 15749:2010SLOVENSKI
STANDARDSIST-TS CEN/TS 15749:20081DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15749
October 2009 ICS 65.080 Supersedes CEN/TS 15749:2008English Version
Fertilizers - Determination of sulfates content using three different methods
Engrais - Dosage des sulfates selon trois méthodes différentes
Düngemittel - Bestimmung von Sulfat mit drei verschiedenen Verfahren This European Standard was approved by CEN on 20 September 2009.
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 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 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.
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 worldwide for CEN national Members. Ref. No. EN 15749:2009: ESIST EN 15749:2010
Statistical results of the inter-laboratory tests . 19Bibliography . 22 SIST EN 15749:2010
2 Normative references The following referenced documents are indispensable for the application 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 1482-2, Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation EN 12944-1:1999, Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms EN 12944-2:1999, Fertilizers and liming materials and soil improvers - Vocabulary - Part 2: Terms relating to fertilizers CEN/TS 15925, Fertilizers — Extraction of total sulfur present in various forms CEN/TS 15926, Fertilizers — Extraction of water soluble sulfur where the sulfur is in various forms CEN/TS 15960, Fertilizers — Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates CEN/TS 15961, Fertilizers — Extraction of water soluble calcium, magnesium, sodium and sulfur (in the forms of sulfates) EN ISO 3696, Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12944-1:1999 and EN 12944-2:1999 apply. 4 Principle 4.1 Method A: Gravimetric method Sulfur is extracted from the sample according to the methods described in CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 or CEN/TS 15961 and determined based on the gravimetric determination as barium sulfate. 4.2 Method B: ICP-OES Sulfur is extracted from the sample according to the methods described in CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 or CEN/TS 15961 and its concentration in the extract is measured by inductively coupled plasma-optical emission spectrometry (ICP-OES). SIST EN 15749:2010
Calculate the SO3 content, wSO3, as mass fraction in percent of the fertilizer according to Equation (2): 2,5SSO3×=ww (2) where m1 is the mass of the barium sulfate precipitate, in mg; m2 is the mass of the test portion, in g; v1 is the volume of the extraction solution, in ml; v2 is the aliquot volume, in ml. 7 Method B – ICP-OES method 7.1 Reagents Use only reagents of recognized analytical grade, and water conforming to grade 2 of EN ISO 3696. Stock solutions shall be replaced after a maximum of one year, but the standard solution shall be freshly prepared monthly as a minimum.
7.1.1 Hydrochloric acid, ρ approximately 1,18 g/ml; 7.1.2 Diluted hydrochloric acid, mix 40 ml of hydrochloric acid (7.1.1) in 1 l of water; 7.1.3 Sulfur stock solution, corresponding to 1 000 mg/l sulfur. Dry in a pre-treatment step some grams of sodium sulfate (Na2SO4) at 105 °C for 1 h. Let cool in a desiccator. Weigh to the nearest 0,1 mg, approximately 4,437 5 g of sodium sulfate (Na2SO4). Dissolve the weighted SIST EN 15749:2010
7.3 Preparation of the extract The sulfur is extracted from the sample according to one of the methods described in CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 or CEN/TS 15961.
7.4 Procedure 7.4.1 General Calibration shall be performed by means of the standard addition technique. This method allows the analysis of fertilizers with unknown matrix composition or with a matrix that cannot be synthetically imitated easily. 7.4.2 Preparation of the test solution Dilute the extraction solution with the diluted hydrochloric acid (7.1.1) to obtain a concentration between 10 mg/l and 150 mg/l of sulfur. 7.4.3 Preparation of the blank test solution Carry out a blank test at the same time as the extraction, with only the reagents. 7.4.4 Preparation of the calibration solutions The additions to the test solution, prior to the dilution step, should be about 20 %, 50 % and 100 % of the expected sulfur content. After the additions, dilute each of the samples with the diluted hydrochloric acid (7.1.1). SIST EN 15749:2010
182,568
Background correction Yes Working range mg/l 1 to 150 Possible internal standard: Molybdenum 202,030 nm 281,615 nm 7.6 Calculation and expression of the results NOTE Net signal is defined as the number of counts per time unit at the selected wavelength, corrected for background contributions. SIST EN 15749:2010
iiSy= (i = 0, 1, 2, 3) (4) isiVx⋅=ρ (i = 0, 1, 2, 3) (5) where sρis the concentration, in mg/l, of the standard solution; iVare the various volumes, in l, of the standard solution added; iSare the net signals after the various additions. Calculate the values of a and b as follows: ()∑∑∑∑∑−⋅−⋅=22iiiiiixxnyxyxnb (6) nxbyaii∑∑⋅−= (7) where nis the number of solutions measured (n = 4 in case of three additions). Calculate the sulfur concentration fρ, in mg/l, of the filtrate of the test portion using the following equation: ffVba=ρ (8) where fVis the volume, in l, of
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SIST EN 15749:2010 문서는 비료 내 황산염 함량을 측정하기 위한 세 가지 방법을 규정하고 있습니다. 이 표준은 비료 품질 관리를 위한 중요한 기준을 제공하며, 비료의 품질 보증 및 규제 준수에 필수적인 역할을 합니다. 우선, 문서의 범위를 살펴보면, 비료 추출물에서 황의 측정을 위한 세 가지 방법, 즉 중량 분석법(방법 A), 유도 결합 플라즈마 광학 분광법(ICP-OES, 방법 B), 이온 크로마토그래피(IC, 방법 C)를 명확하게 정의하고 있습니다. 이러한 다양한 방법들은 사용자가 특정 상황이나 장비에 따라 적합한 방법을 선택할 수 있는 유연성을 제공합니다. 강점으로는, 표준이 제공하는 세 가지 방법 각각이 다른 분석 기술을 기반으로 하여 비료의 황산염 함량을 정확하게 측정할 수 있도록 돕습니다. gravimetric method(방법 A)는 고전적인 방법으로 신뢰성이 높고, ICP-OES(방법 B)는 대량 분석에 적합하여 속도가 빠릅니다. 마지막으로, IC(방법 C)는 분리된 분석을 위한 뛰어난 선택으로, 복잡한 비료 성분 내에서의 정확한 검출이 가능합니다. 이 표준의 관련성 또한 강조할 필요가 있습니다. 비료의 황산염 함량은 작물 성장 및 토양 건강에 중요한 요소로, 농업 생태계의 지속 가능성을 유지하는 데 기여합니다. EN 15749:2009는 농업 분야의 다양한 이해관계자에게 필수적인 데이터와 분석 방법을 제공하여, 농업환경의 품질 향상과 함께 규제 준수를 가능하게 합니다. 따라서 SIST EN 15749:2010 표준은 비료 분석의 정확성과 신뢰성을 보장하며, 농업에서 중요한 역할을 하는 황산염 측정의 기초 작업으로서 그 의의를 지니고 있습니다.
La norme EN 15749:2009, intitulée "Fertilisants - Détermination de la teneur en sulfates par trois méthodes différentes", constitue un document essentiel pour l'analyse des fertilisants. Son ample champ d'application permet de déterminer la présence de soufre sous forme de sulfates dans les extraits de fertilisants à l'aide de trois méthodes distinctes, chacune adaptée à des contextes spécifiques de laboratoire et d'industrie. Parmi les points forts de cette norme, la diversité des méthodes proposées (Méthode A, B et C) répond à différents besoins analytiques. La Méthode A, fondée sur une approche gravimétrique, offre une solution robuste et fiable pour des échantillons où une précision élevée est primordiale. La Méthode B, utilisant la spectrométrie de plasma à couplage inductif (ICP-OES), permet de réaliser des analyses rapides et sensibles, ce qui est crucial pour des laboratoires ayant un grand volume d'échantillons à traiter. Enfin, la Méthode C, qui recourt à la chromatographie ionique (IC), se révèle particulièrement adaptée pour des analyses dans des matrices complexes, offrant une excellente résolution et une capacité à séparer différents ions. La pertinence de la norme EN 15749:2009 ne peut être sous-estimée, surtout dans le contexte actuel où la qualité des fertilisants est un enjeu majeur pour l'agriculture durable. En établissant des méthodes de référence pour la détermination des sulfates, cette norme assure non seulement la conformité des produits, mais également la protection de l'environnement en favorisant l'utilisation responsable des fertilisants. En résumé, cette norme constitue un outil indispensable pour les laboratoires d'analyse, les fabricants de fertilisants et les agronomes, consolidant ainsi la confiance dans les résultats d'analyse et leur impact sur la production agricole.
The EN 15749:2009 standard provides a comprehensive framework for the determination of sulfate content in fertilizers, detailing three distinct methodologies to cater to various analytical needs in the agricultural sector. The scope of this standard is notably broad, as it encompasses Method A (gravimetric method), Method B (inductively coupled plasma optical emission spectrometry, or ICP-OES), and Method C (ion chromatography, or IC). This multi-method approach ensures that users can select the most appropriate technique based on their laboratory capabilities and specific requirements. One significant strength of EN 15749:2009 is its adaptability in accommodating differing laboratory resources and expertise. The inclusion of the gravimetric method allows for a straightforward approach that can be implemented in facilities with limited instrumentation. Conversely, the ICP-OES and IC methods provide advanced options capable of delivering high sensitivity and precision, particularly in complex samples where sulfur content might be present in low concentrations. This versatility makes the standard highly relevant for a range of practitioners, from small-scale fertilizer producers to large agricultural research institutions. Additionally, the standard emphasizes the importance of accuracy and reliability in fertilizer analysis, which is critical in ensuring compliance with regulatory requirements and the optimization of fertilizer formulations. By detailing the methodologies for sulfate determination, EN 15749:2009 supports the agricultural industry's goal of improving crop yields while minimizing environmental impact. Overall, EN 15749:2009 stands out for its comprehensive approach to sulfur determination, making it an essential reference for anyone involved in the formulation, testing, or regulatory compliance of fertilizers. The methods detailed within provide a solid foundation for establishing consistent and accurate assessment of sulfate levels, which is integral for sustainable agricultural practices.
SIST EN 15749:2010は、肥料中の硫酸塩含有量を測定するための3つの異なる方法を規定している重要な標準文書です。この文書は、肥料の品質管理に不可欠な情報を提供し、農業と土壌科学の分野での研究や実務に役立ちます。 この標準の主な強みは、3つの異なる分析方法を提示している点です。方法Aは重力法に基づいており、従来の手法を用いた測定が可能です。一方、方法Bは誘導結合プラズマ光学スペクトロメトリー（ICP-OES）を用いるため、高い精度と感度を誇り、複雑な試料の分析に適しています。さらに、方法Cはイオンクロマトグラフィー（IC）を使用しており、細かい成分の分析が可能で、より効果的な硫酸塩の定量を実現します。 また、この標準は、環境への影響を考慮し、持続可能な農業の推進にも寄与しています。硫酸塩は肥料中での栄養分の重要な源であり、土壌の健康を維持するために必要不可欠です。したがって、EN 15749:2009は、食品生産の安全性や効率を高めるための適切な方法論を提供していると言えます。 この標準は、製造業者や試験機関が一貫した方法で肥料の品質を評価し、消費者に信頼性のある情報を提供するための基盤となります。従って、EN 15749:2009は肥料業界における標準化の進展において、極めて関連性の高い文書であると言えるでしょう。
Die Norm EN 15749:2009 bietet eine umfassende Anleitung zur Bestimmung des Sulfatgehalts in Düngemitteln und ist von großer Bedeutung für die Landwirtschaft und die chemische Analyse. Der Umfang der Norm umfasst die detaillierte Beschreibung von drei verschiedenen Methoden – Methode A, Methode B und Methode C – zur Analyse von Schwefel, der in Düngemittelextrakten in Form von Sulfaten vorkommt. Ein wesentlicher Vorteil der Norm ist die Vielfalt der angebotenen Analyseverfahren, die es den Anwendern ermöglicht, je nach verfügbaren Ressourcen und spezifischen Anforderungen das geeignete Verfahren auszuwählen. Die gravimetrische Methode A ist besonders nützlich, wenn eine einfache und kostengünstige Analyse erforderlich ist, während Methode B, die induktiv gekoppelte Plasma-Optischenspektrometrie (ICP-OES) verwendet, eine hohe Genauigkeit und Sensitivität bietet, die für komplexere Düngemittelanwendungen entscheidend ist. Methode C, die Ionenchromatographie (IC) nutzt, eröffnet weitere Möglichkeiten zur detaillierten Analyse von Sulfaten und anderen organischen Verbindungen. Die Relevanz dieser Norm liegt nicht nur in der Qualitätssicherung der Düngemittelindustrie, sondern auch im Beitrag zur nachhaltigen Landwirtschaft. Durch die präzise Bestimmung des Sulfatgehalts können Landwirte die Nährstoffversorgung ihrer Pflanzen optimieren und somit Erträge steigern sowie Umweltbelastungen minimieren. Die Norm leistet somit einen wichtigen Beitrag zur Effizienzsteigerung in landwirtschaftlichen Betrieben. Zusammenfassend lässt sich sagen, dass die EN 15749:2009 eine unverzichtbare Ressource für die Analyse von Düngemitteln darstellt, die durch ihre methodische Vielfalt und wissenschaftliche Fundierung überzeugt. Sie ist sowohl für Prüflabore als auch für Agrarunternehmen von wesentlicher Bedeutung, um qualitativ hochwertige Düngemittel sicherzustellen und nachhaltige Praktiken in der Landwirtschaft zu fördern.
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