1、February 2012 Translation by DIN-Sprachendienst.English price group 6No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 65.080!$yz“1866187www.din.deDDIN EN 15958Fertilizers Extraction of water soluble phosphorusEnglish translation of DIN EN 15958:2012-02Dngemittel Extraktion des in Wasser lslichen PhosphorsEnglische bersetzung von DIN EN 15958:2012-02Engrais Extraction du phosphore soluble dans leauTraduction angla
3、ise de DIN EN 15958:2012-02SupersedesDIN SPEC 1171(DIN CEN/TS 15958):2010-03www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.8 01.12 DIN EN 15958:2012-02 2 A comma is used as the decimal marker. National foreword This standard has b
4、een prepared by Technical Committee CEN/TC 260 Fertilizers and liming materials” (Secretariat: DIN, Germany) under the mandate M/335. The responsible German body involved in its preparation was the Normenausschuss Lebensmittel und landwirtschaftliche Produkte (Food and Agricultural Products Standard
5、s Committee), Working Committee NA 057-03-02 AA Dngemittel. The method specified in this standard is based upon Regulation (EC) No 2003/2003 relating to fertilizers, Annex IV, method 3.1.6 (see Bibliography). DIN EN 15958 supersedes DIN SPEC 1171 (DIN CEN/TS 15958):2010-03, which has been adopted by
6、 CEN/TC 260 as a European Standard based on the results of the unique acceptance procedure (UAP). Amendments This standard differs from DIN SPEC 1171 (DIN CEN/TS 15958):2010-03 as follows: a) the prestandard status has been changed to that of a full standard; b) the standard has been editorially rev
7、ised. Previous editions DIN SPEC 1171 (DIN CEN/TS 15958): 2010-03 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15958 November 2011 ICS 65.080 Supersedes CEN/TS 15958:2009English Version Fertilizers - Extraction of water soluble phosphorus Engrais - Extraction du phosphore soluble dans leau D
8、ngemittel - Extraktion des in Wasser lslichen Phosphors This 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
9、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 lang
10、uage 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, Denmar
11、k, 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 COMIT EUROPEN DE NORMALISATI
12、ON EUROPISCHES KOMITEE FR 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 15958:2011: EEN 15958:2011 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43
13、 Terms and definitions .44 Principle 45 Sampling .46 Reagents .47 Apparatus .48 Procedure .58.1 Test portion 58.2 Extraction .59 Test report 5Bibliography 6DIN EN 15958:2012-02 EN 15958:2011 (E) 3 Foreword This document (EN 15958:2011) has been prepared by Technical Committee CEN/TC 260 “Fertilizers
14、 and liming materials”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2012, and conflicting national standards shall be withdrawn at the latest by Ma
15、y 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes CEN/TS 15958:2009. This document has been prepared un
16、der a mandate given to CEN by the European Commission and the European Free Trade Association. The following has been added to the former edition of the European Standard: a) the CEN Technical Specification has been adopted as a European Standard; b) editorial revision. According to the CEN/CENELEC
17、Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, L
18、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 15958:2012-02 EN 15958:2011 (E) 4 1 Scope This European Standard specifies a method for the extraction of water soluble phosphorus. The method is applicable
19、 to all fertilizers, including compound fertilizers, where water soluble phosphorus is to be determined. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the
20、 latest edition of the referenced document (including any amendments) applies. EN 1482-2, Fertilizers and liming materials Sampling and sample preparation Part 2: Sample preparation EN 12944-1:1999, Fertilizers and liming materials and soil improvers Vocabulary Part 1: General terms EN 12944-2:1999,
21、 Fertilizers and liming materials and soil improvers Vocabulary Part 2: Terms relating to fertilizers 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12944-1:1999 and EN 12944-2:1999 apply. 4 Principle Extraction in water by shaking under the specifie
22、d conditions. 5 Sampling Sampling is not part of the method specified in this document. A recommended sampling method is given in EN 1482-1. Sample preparation shall be carried out in accordance with EN 1482-2. Grinding of the laboratory sample is recommended for homogeneity reasons. 6 Reagents 6.1
23、Water, distilled or demineralized. 7 Apparatus 7.1 500 ml graduated flask, e.g. Stohmann. 7.2 Rotary shaker, 35 to 40 turns per minute. 7.3 Dry pleated filter, phosphate free. DIN EN 15958:2012-02 EN 15958:2011 (E) 5 8 Procedure 8.1 Test portion Weigh, to the nearest 0,001 g, 5 g of the laboratory s
24、ample and place it in a graduated flask (7.1). 8.2 Extraction Add to the test portion in the flask 450 ml of water (6.1), the temperature of which shall be between 20 C and 25 C. Shake in the rotary shaker (7.2) for 30 min. Then make up to the mark with water, mix thoroughly by shaking and filter th
25、rough a dry pleated filter (7.3). 9 Test report The test report shall contain at least the following information: a) all information necessary for the complete identification of the sample; b) test method used with reference to this document; c) test results obtained; d) date of sampling and samplin
26、g procedure (if known); e) date when the analysis was finished; f) whether the requirement of the repeatability limit has been fulfilled; g) all operating details not specified in this document, or regarded as optional, together with details of any incidents occurred when performing the method, whic
27、h might have influenced the test result(s). DIN EN 15958:2012-02 EN 15958:2011 (E) 6 Bibliography 1 EN 1482-1, Fertilizers and liming materials Sampling and sample preparation Part 1: Sampling 2 Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilisers, Official Journal L 304, 21.11.2003, p. 1-194, Annex IV, Method 3.1.6 DIN EN 15958:2012-02
