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oSIST prEN 15477:2015
01-junij-2015
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Fertilizers - Determination of the water-soluble potassium content
Düngemittel - Bestimmung von wasserlöslichem Kalium
Engrais - Détermination de la teneur en potassium soluble dans l'eau
Ta slovenski standard je istoveten z: prEN 15477
ICS:
65.080 Gnojila Fertilizers
oSIST prEN 15477:2015 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 15477:2015
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oSIST prEN 15477:2015
EUROPEAN STANDARD
DRAFT
prEN 15477
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2015
ICS 65.080 Will supersede EN 15477:2009
English Version
Fertilizers - Determination of the water-soluble potassium
content
Engrais - Détermination de la teneur en potassium soluble Düngemittel - Bestimmung von wasserlöslichem Kalium
dans l'eau
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 260.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15477:2015 E
worldwide for CEN national Members.
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oSIST prEN 15477:2015
prEN 15477:2015 (E)
Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle .4
5 Reagents .4
6 Apparatus .5
7 Sampling and sample preparation .5
8 Procedure .5
8.1 Test portion .5
8.2 Preparation of the aliquot part for precipitation .6
8.3 Weighing the crucible .6
8.4 Precipitation .6
8.5 Filtering and washing .
...