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STANDARD
SIST EN 15959:2012
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15959
November 2011 ICS 65.080 Supersedes CEN/TS 15959:2009English Version
Fertilizers - Determination of extracted phosphorus
Engrais - Dosage du phosphore extrait
Düngemittel - Bestimmung von Phosphor in den ExtraktenThis European Standard was approved by CEN on 15 October 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
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
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 15959:2011: ESIST EN 15959:2012
EN 15959:2011 (E) 2 Contents Page Foreword .31Scope .42Normative references .43Terms and definitions .44Principle .45Sampling and sample preparation .46Reagents .47Apparatus .58Procedure .68.1Treatment of the solution .68.2Hydrolysis .68.3Weighing the crucible .68.4Precipitation .68.5Filtering and washing .78.6Drying and weighing .78.7Blank test .78.8Verification .79Calculation and expression of the result .710Precision .
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