SIST EN 13466-1:2002
(Main)Fertilizers - Determination of water content (Karl Fischer methods) - Part 1: Methanol as extracting medium
Fertilizers - Determination of water content (Karl Fischer methods) - Part 1: Methanol as extracting medium
This European Standard specifies a Karl Fischer titrimetric method for the determination of the water content of fertilizers based on the use of methanol as extracting medium.
The method is applicable to all solid mineral fertilizers. The result (KFM water) includes "free" water and extracted water of crystallization from the following components of fertilizers: calcium nitrate tetrahydrate (Ca(NO3)2·4H2O); calcium hydrogen phosphate dihydrate (CaHPO4·2H2O); calcium sulfate dihydrate (gypsum, CaSO4·2H2O), calcium sulfate hemihydrate (CaSO4·0,5H2O); magnesium sulfate heptahydrate (MgSO4·7H2O) ; potassium chloride magnesium sulfate water (1/1/2,75, Kainite, KCl·MgSO4·2,75H2O); potassium magnesium sulfate hexahydrate (Schoenite, K2SO4·MgSO4·6H2O); potassium magnesium sulfate tetrahydrate (Leonite, K2SO4·MgSO4·4H2O); potassium sulfate calcium sulfate monohydrate (Syngenite, K2SO4·CaSO4·H2O); potassium chloride magnesium chloride hexahydrate (Carnallite, KCl·MgCl2·6H2O); magnesium nitrate hexahydrate (Mg(NO3)2·6H2O).
Metal oxides and hydroxides soluble in methanol and pyridine will have an effect which can be corrected for, if their content is known.
Düngemittel - Bestimmung des Wassergehaltes (Karl-Fischer-Verfahren) - Teil 1: Methanol als Extraktionsmittel
Diese Europäische Norm legt ein titrimetrisches Karl-Fischer-Verfahren für die maßanalytische Bestimmung des Wasser-gehaltes von Düngemitteln fest, das auf der Verwendung von Methanol als Extraktionsmittel basiert.
Das Verfahren gilt für alle festen mineralischen Düngemittel. Das Ergebnis (KFM-Wasser) umfasst ¿freies" Wasser sowie extrahiertes Kristallwasser der folgenden Düngemittelbestandteile: Calciumnitrattetrahydrat (Ca(NO3)2 · 4H2O); Calciumhydrogenphosphatdihydrat (CaHPO4 · 2H2O); Calciumsulfatdihydrat (Gips, CaSO4 · 2H2O), Calciumsulfa-themihy-drat (CaSO4 · 0,5H2O); Magnesiumsulfatheptahydrat (MgSO4 · 7H2O); Kaliumchlorid-Magnesiumsulfathydrat-wasser (1/1/2,75, Kainit, KCl · MgSO4 · 2,75H2O); Kalium-Magnesium-sulfat-hexahydrat (Schoenit, K2SO4 · MgSO4 · 6H-2O); Kalium-Magnesiumsulfattetrahydrat (Leonit, K2SO4 · MgSO4 · 4H2O); Kaliumsulfat-Calciumsulf-atmonohydrat (Syngenit, K2SO4 · CaSO4 · H2O); Kaliumchlorid-Magnesiumchloridhexahydrat (Carnallit, KCl · MgCl2 · 6H2O); Magnesiumnitrathexahy-drat (Mg(NO3)2 · 6H2O).
In Methanol und Pyridin lösliche Metalloxide und Hydroxide haben Auswirkungen, die jedoch korrigiert werden können, falls deren Anteil bekannt ist.
Engrais - Détermination de la teneur en eau (Méthodes Karl Fischer) - Partie 1: Le méthanol comme milieu d'extraction
La présente norme spécifie une méthode Karl Fischer de titrage de la teneur en eau des engrais, reposant sur l'utilisation de méthanol comme milieu d'extraction.
La méthode est applicable à toutes les engrais solides. Le résultat (eau KFM) englobe l'eau "libre" et l'eau de cristallisation des éléments suivants des matières fertilisantes : nitrate de calcium tétrahydraté (Ca(NO3)2.4H2O), hydrogénophosphate de calcium dihydraté (CaHPO4).2H2O), sulfate de calcium dihydraté (gypse, (CaSO4.2H2O), sulfate de calcium hémihydraté (CaSO4.0,5 H2O), sulfate de magnésium heptahydraté (MgSO4.7H2O), eau au sulfate de magnésium/chlorure de potassium (1°1/2,75, Kainite, KCl MgSO4.2,75H2O), sulfate de magnésium-potassium hexahydraté (Schoenite, K2SO4 MgSO4.6H2O), sulfate de magnésium-potassium tétrahydraté (Léonite, K2SO4 MgSO4 . 4H2O), sulfate de potassium - sulfate de calcium monohydraté (Syngénite, K2SO4 CaSO4.H2O), chlorure de potassium - chlorure de magnésium hexahydraté (carnallite, KCl MgCl2.6H2O), nitrate de magnésium hexahydraté (Mg(NO3)2.6H2O).
Les oxydes et les hydroxydes de métaux solubles dans le méthanol et la pyridine ont un effet qui peut être corrigé si leur teneur est connue.
Gnojila - Določevanje količine vode (Karl Fischerjeve metode) - 1. del: Ekstrakcija z metanolom
General Information
- Status
- Published
- Publication Date
- 31-Oct-2002
- Technical Committee
- KAT - Soil quality
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Nov-2002
- Due Date
- 01-Nov-2002
- Completion Date
- 01-Nov-2002
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
SIST EN 13466-1:2002 specifies a Karl Fischer titrimetric method for the determination of water content in solid mineral fertilizers using methanol as the extracting medium. This method is essential for accurately measuring both "free" water and water of crystallization in fertilizers, which directly impacts their quality, storage, and handling properties. The standard provides guidance for laboratories and fertilizer manufacturers who require reliable and consistent water content analysis according to European best practices.
Key Topics
- Karl Fischer Titration: A widely used technique for precise quantification of water in fertilizer samples, employing specialized Karl Fischer reagents and titrators.
- Methanol as Extracting Medium: Methanol is used to extract water, including water of crystallization from various components such as calcium nitrate tetrahydrate, magnesium sulfate heptahydrate, and others. The method distinguishes this water from other forms not extractable by methanol.
- Applicability: Suitable for all solid mineral fertilizers, including complex compositions. Notably, urea, ammonium nitrate, and calcium ammonium nitrate are typically dispersible in methanol.
- Precision and Repeatability: The standard includes guidance on interlaboratory testing, repeatability, and reproducibility, ensuring robust and harmonized results across different laboratories and operators.
- Correction Factors: The presence of metal oxides and hydroxides soluble in methanol and pyridine can influence results, and corrections are possible when their concentrations are known.
Applications
The method outlined in SIST EN 13466-1:2002 is widely applicable in:
- Quality Control for Fertilizer Producers: Ensures that products meet required moisture specifications, directly affecting shelf life and effectiveness.
- Regulatory Compliance: Facilitates compliance with national and European regulations requiring standardized water content determination.
- Research and Development: Supports development of new fertilizer formulations by enabling accurate assessment of water content in experimental samples.
- Agricultural Supply Chain: Laboratories, distributors, and importers can use this method to verify product integrity before sale or application.
- Storage and Handling Optimization: Identifying accurate water content allows for better storage decisions, minimizing caking and degradation.
Related Standards
To ensure comprehensive and compliant moisture determination in fertilizers, consider these related standards:
- EN 12048: Determination of moisture content by gravimetric method at (105±2) °C; suitable for certain fertilizer types where gravimetric analysis is applicable.
- EN 12049: Moisture determination by drying under reduced pressure, offering an alternative for heat-sensitive materials.
- SIST EN 13466-2: Determination of water content (Karl Fischer methods) - Part 2: 2-propanol as extracting medium, which can be used for different fertilizer components or when methanol extraction gives incomplete results.
- EN 1482: Guidelines for the sampling of solid fertilizers and liming materials, ensuring representative and reliable sample preparation.
Practical Value
Implementing the method described in SIST EN 13466-1:2002 provides several practical advantages:
- Consistent, standardized test results, facilitating comparison across batches and suppliers.
- Reliable detection of both free and crystallization water, critical for maintaining fertilizer performance and handling quality.
- Alignment with European and international regulations, supporting market access and consumer confidence.
- Reduction of product wastage and complaints by identifying moisture-related storage or transport issues early.
By following SIST EN 13466-1:2002, stakeholders in the fertilizer industry can achieve robust, reproducible, and regulation-compliant water content measurements using Karl Fischer titration with methanol.
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Frequently Asked Questions
SIST EN 13466-1:2002 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Fertilizers - Determination of water content (Karl Fischer methods) - Part 1: Methanol as extracting medium". This standard covers: This European Standard specifies a Karl Fischer titrimetric method for the determination of the water content of fertilizers based on the use of methanol as extracting medium. The method is applicable to all solid mineral fertilizers. The result (KFM water) includes "free" water and extracted water of crystallization from the following components of fertilizers: calcium nitrate tetrahydrate (Ca(NO3)2·4H2O); calcium hydrogen phosphate dihydrate (CaHPO4·2H2O); calcium sulfate dihydrate (gypsum, CaSO4·2H2O), calcium sulfate hemihydrate (CaSO4·0,5H2O); magnesium sulfate heptahydrate (MgSO4·7H2O) ; potassium chloride magnesium sulfate water (1/1/2,75, Kainite, KCl·MgSO4·2,75H2O); potassium magnesium sulfate hexahydrate (Schoenite, K2SO4·MgSO4·6H2O); potassium magnesium sulfate tetrahydrate (Leonite, K2SO4·MgSO4·4H2O); potassium sulfate calcium sulfate monohydrate (Syngenite, K2SO4·CaSO4·H2O); potassium chloride magnesium chloride hexahydrate (Carnallite, KCl·MgCl2·6H2O); magnesium nitrate hexahydrate (Mg(NO3)2·6H2O). Metal oxides and hydroxides soluble in methanol and pyridine will have an effect which can be corrected for, if their content is known.
This European Standard specifies a Karl Fischer titrimetric method for the determination of the water content of fertilizers based on the use of methanol as extracting medium. The method is applicable to all solid mineral fertilizers. The result (KFM water) includes "free" water and extracted water of crystallization from the following components of fertilizers: calcium nitrate tetrahydrate (Ca(NO3)2·4H2O); calcium hydrogen phosphate dihydrate (CaHPO4·2H2O); calcium sulfate dihydrate (gypsum, CaSO4·2H2O), calcium sulfate hemihydrate (CaSO4·0,5H2O); magnesium sulfate heptahydrate (MgSO4·7H2O) ; potassium chloride magnesium sulfate water (1/1/2,75, Kainite, KCl·MgSO4·2,75H2O); potassium magnesium sulfate hexahydrate (Schoenite, K2SO4·MgSO4·6H2O); potassium magnesium sulfate tetrahydrate (Leonite, K2SO4·MgSO4·4H2O); potassium sulfate calcium sulfate monohydrate (Syngenite, K2SO4·CaSO4·H2O); potassium chloride magnesium chloride hexahydrate (Carnallite, KCl·MgCl2·6H2O); magnesium nitrate hexahydrate (Mg(NO3)2·6H2O). Metal oxides and hydroxides soluble in methanol and pyridine will have an effect which can be corrected for, if their content is known.
SIST EN 13466-1:2002 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 13466-1:2002 has the following relationships with other standards: It is inter standard links to SIST EN 1482-1:2025, SIST EN 1482-2:2025, SIST EN 14787:2005. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 13466-1:2002 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PHWDQRORPDüngemittel - Bestimmung des Wassergehaltes (Karl-Fischer-Verfahren) - Teil 1: Methanol als ExtraktionsmittelEngrais - Détermination de la teneur en eau (Méthodes Karl Fischer) - Partie 1: Le méthanol comme milieu d'extractionFertilizers - Determination of water content (Karl Fischer methods) - Part 1: Methanol as extracting medium65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 13466-1:2001SIST EN 13466-1:2002en01-november-2002SIST EN 13466-1:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13466-1October 2001ICS 65.080English versionFertilizers - Determination of water content - (Karl Fischermethods) - Part 1: Methanol as extracting mediumEngrais - Détermination de la teneur en eau (Méthodes KarlFischer) - Partie 1: Le méthanol comme milieu d'extractionDüngemittel - Bestimmung des Wassergehaltes (Karl-Fischer-Verfahren) - Teil 1: Methanol als ExtraktionsmittelThis European Standard was approved by CEN on 18 August 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13466-1:2001 ESIST EN 13466-1:2002
calcium sulfate hemihydrate (CaSO4·0,5H2O); magnesium sulfateheptahydrate (MgSO4·7H2O); potassium chloride magnesium sulfate water (1/1/2,75, Kainite,KCl·MgSO4·2,75H2O); potassium magnesium sulfate hexahydrate (Schoenite, K2SO4·MgSO4·6H2O); potassiummagnesium sulfate tetrahydrate (Leonite, K2SO4·MgSO4·4H2O); potassium sulfate calcium sulfate monohydrate(Syngenite, K2SO4·CaSO4·H2O); potassium chloride magnesium chloride hexahydrate (Carnallite, KCl·MgCl2·6H2O); magnesium nitrate hexahydrate (Mg(NO3)2·6H2O).Extraction with 2-propanol gives a result which is a combination of free water and extracted water of crystallizationfrom the following components of fertilizers: calcium nitrate tetrahydrate (Ca(NO3)2·4H2O); magnesium sulfateheptahydrate (MgSO4·7H2O); potassium chloride magnesium chloride hexahydrate (Carnallite, KCl·MgCl2·6H2O);magnesium nitrate hexahydrate (Mg(NO3)2·6H2O).SIST EN 13466-1:2002
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