SIST EN 15924:2011

Fertilizers - Determination of the fineness of grinding of soft natural phosphates

This document specifies a method for the determination of the fineness of grinding of soft natural phosphates by wet sieving.

Düngemittel - Bestimmung der Mahlfeinheit von weicherdigem Rohphosphat

Das vorliegende Dokument legt ein Verfahren zur Bestimmung der Mahlfeinheit von weicherdigem Roh-phosphat durch Nasssieben fest.

Engrais - Détermination de la finesse de monture des phosphates naturels tendres

Le présent document a pour objet de fixer une méthode de détermination de la finesse de mouture des phosphates naturels tendres par tamisage par voie humide.

Gnojila - Določevanje finosti mletja mehkih naravnih fosfatov

Ta dokument opredeljuje metodo določevanja finosti mletja mehkih naravnih fosfatov z mokrim sejanjem.

General Information

• Status: Published
• Public Enquiry End Date: 30-Jun-2011
• Publication Date: 17-Oct-2011
• ICS: 65.080 - Fertilizers
• Technical Committee: KAT - Soil quality
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 17-Oct-2011
• Due Date: 22-Dec-2011
• Completion Date: 18-Oct-2011
• Directive: Not Harmonized2003/2003 - Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers
• Mandate: M/335 - Standardization Mandate assigned to the CEN concerning the modernisation of the methods of anylysis of Fertilizers
• Ref Project: EN 15924:2011 - Fertilizers - Determination of the fineness of grinding of soft natural phosphates

Relations

• Replaces: SIST-TS CEN/TS 15924:2010 - Fertilizers - Determination of the fineness of grinding of soft natural phosphates
• Effective Date: 01-Nov-2011
• Refers: SIST EN 12944-2:2002 - Fertilizers and liming materials and soil improvers - Vocabulary - Part 2: Terms relating to fertilizers
• Effective Date: 28-Jan-2026
• Refers: SIST EN 12944-1:2002 - Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms
• Effective Date: 28-Jan-2026
• Refers: SIST EN 1482-2:2025 - Fertilizers, liming materials and inhibitors - Sampling and sample preparation - Part 2: General sample preparation provisions
• Effective Date: 28-Jan-2026
• Referred By: SIST-TS CEN/TS 17755:2023 - Inorganic fertilizers - Determination of specific parameters
• Effective Date: 28-Jan-2026

Overview

SIST EN 15924:2011 establishes a standardized method for determining the fineness of grinding of soft natural phosphates used in fertilizers. This European Standard is essential for manufacturers, laboratories, and quality assurance professionals working in the fertilizer industry. It outlines a precise wet sieving procedure to assess particle size distribution, ensuring that fertilizers meet the required specifications for agricultural performance and regulatory compliance.

Key Topics

• Wet Sieving Method: The standard specifies wet sieving as the preferred technique for determining fineness due to the tendency of fine phosphate particles to agglomerate, which can complicate dry sieving procedures.
• Particle Size Determination: It describes how to measure the amount of material above and between specific sieve sizes (0.125 mm and 0.063 mm) to calculate the percentage of finely ground material.
• Sample Preparation: Emphasizes preparing fertilizer samples in accordance with established guidelines to achieve reliable and reproducible results.
• Test Reporting: Outlines the necessary information that should be included in test reports for traceability and quality assurance.
• Quality Control: Supports manufacturers and laboratories in maintaining product consistency and adherence to standards in fertilizer production.

Applications

The method defined in SIST EN 15924:2011 is widely applied in the fertilizer industry for:

• Quality Assurance: Ensuring fertilizers containing soft natural phosphates possess the correct fineness for optimal nutrient availability to plants.
• Regulatory Compliance: Demonstrating conformity with European and national regulations concerning fertilizer quality, such as Regulation (EC) No 2003/2003.
• Product Development: Supporting research and development activities that require precise control of phosphate particle size in new fertilizer formulations.
• Laboratory Analysis: Used by accredited laboratories for routine analysis and reporting, providing standardized and comparable results across the sector.
• Supplier and Trade Verification: Assisting buyers and sellers in confirming product specifications during procurement or sales contracts involving soft natural phosphates.

Related Standards

• EN 1482-1: Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling. Provides guidance on representative sampling procedures essential for accurate analysis.
• EN 1482-2: Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation. Ensures consistency in treatment and preparation of samples prior to sieving.
• EN 12944-1 & EN 12944-2: Fertilizers and liming materials and soil improvers - Vocabulary. Offers standardized terminology relevant to fertilizers and their analysis, facilitating clear communication.
• Regulation (EC) No 2003/2003: Relates to fertilizers within the European Union and incorporates requirements for methods of analysis, including fineness of phosphate materials.

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SIST EN 15924:2011 provides a robust, standardized approach for determining particle size in soft natural phosphates. By following its methodology, manufacturers and laboratories ensure their fertilizers meet stringent quality standards, ultimately supporting effective agricultural practices and regulatory satisfaction in the fertilizer industry.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Düngemittel - Bestimmung der Mahlfeinheit von weicherdigem RohphosphatEngrais - Détermination de la finesse de monture des phosphates naturels tendresFertilizers - Determination of the fineness of grinding of soft natural phosphates65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 15924:2011SIST EN 15924:2011en,fr,de01-november-2011SIST EN 15924:2011SLOVENSKI
STANDARDSIST-TS CEN/TS 15924:20101DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15924
September 2011 ICS 65.080 Supersedes CEN/TS 15924:2009English Version
Fertilizers - Determination of the fineness of grinding of soft natural phosphates
Engrais - Détermination de la finesse de monture des phosphates naturels tendres
Düngemittel - Bestimmung der Mahlfeinheit von weicherdigem Rohphosphat This European Standard was approved by CEN on 18 August 2011.
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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
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B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15924:2011: ESIST EN 15924:2011
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