EN 15921:2011
(Main)Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
This document specifies the procedure for the determination of soluble phosphorus in alkaline ammonium citrate.
The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO4 . 2H2O).
Düngemittel - Extraktion des löslichen Phosphors nach Petermann bei 65 °C
Das vorliegende Dokument legt ein Verfahren zur Bestimmung des in alkalischem Ammoniumcitrat löslichen Phosphors fest.
Das Verfahren ist ausschließlich auf Dicalciumphosphat-Dihydrat (CaHPO4 2H2O) anwendbar.
Engrais - Extraction du phosphore soluble selon Petermann à 65 °C
Le présent document décrit le mode opératoire de dosage du phosphore soluble dans le citrate d’ammoniaque alcalin.
La présente méthode s’applique exclusivement au phosphate bicalcique précipité dihydrate (CaHPO4 . 2H2O).
Gnojila - Ekstrakcija topnega fosforja po Petermannu pri 65 °C
Ta dokument opredeljuje postopek določanja topnega fosforja v amonijevem citratu v alkalnem mediju. Metoda velja izključno za oborjeni kalcijev hidrogen fosfat dihidrat (CaHPO4 - 2H2O).
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Gnojila - Ekstrakcija topnega fosforja po Petermannu pri 65 °CDüngemittel - Extraktion des löslichen Phosphors nach Petermann bei 65 °CEngrais - Extraction du phosphore selon Petermann à 65 °CFertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 15921:2011SIST EN 15921:2011en,fr,de01-oktober-2011SIST EN 15921:2011SLOVENSKI
STANDARDSIST-TS CEN/TS 15921:20101DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15921
June 2011 ICS 65.080 Supersedes CEN/TS 15921:2009English Version
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Engrais - Extraction du phosphore soluble selon Petermann à 65 °C
Düngemittel - Extraktion des löslichen Phosphors nach Petermann bei 65 °C This European Standard was approved by CEN on 29 April 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.
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