EN ISO 6498-2012 en Animal feeding stuffs - Guidelines for sample preparation《动物饲料 试样制备指南》.pdf
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1、BSI Standards PublicationBS EN ISO 6498:2012Animal feeding stuffs Guidelines for samplepreparation (ISO 6498:2012)BS EN ISO 6498:2012Incorporating corrigendum August 2015BS EN ISO 6498:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 6498:2012.It superse
2、des BS 5766-10:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee AW/10, Animal feeding stuffs.A list of organizations represented on this committee can be obtainedon request to its secretary.This publication does not purport to include all the necess
3、ary provisionsof a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 91491 1 ICS 65.120 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was p
4、ublished under the authority of the StandardsPolicy and Strategy Committee on 31 July 2012.Amendments/corrigenda issued since publicationDate Text affected30 September 2015 Implementation of ISO corrected text 15 July2012: Clause 7.1 updated.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6
5、498 June 2012 ICS 65.120 English Version Animal feeding stuffs - Guidelines for sample preparation (ISO 6498:2012) Aliments des animaux - Lignes directrices pour la prparation des chantillons (ISO 6498:2012) Futtermittel - Leitfaden fr die Probenvorbereitung (ISO 6498:2012) This European Standard wa
6、s approved by CEN on 31 May 2012. 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 natio
7、nal 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 langua
8、ge 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, Latvi
9、a, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000
10、 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 6498:2012: EBS EN ISO 6498:2012EN ISO 6498:2012 (E) 3 Foreword This document (EN ISO 6498:2012) has been prepared by Technical Committee CEN/TC 327 “Animal feeding
11、stuffs - Methods of sampling and analysis“, the secretariat of which is held by NEN, in collaboration with Technical Committee ISO/TC 34 “Food products“. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the late
12、st by December 2012, and conflicting national standards shall be withdrawn at the latest by December 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
13、 such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hung
14、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN ISO 6498:2012ISO 6498:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Te
15、rms and definitions. 12.1 Definitions concerning “sample” 12.2 Definitions concerning “parameters” 22.3 Examples of animal feeding stuffs characteristics 32.4 Definitions concerning “sample preparation procedure” 53 Principle. 64 Consideration of sample preparation errors . 74.1 Subsampling and othe
16、r errors. 74.2 Minimum mass. 84.3 Errors associated with division techniques. 95 Safety precautions 106 Apparatus 107 Procedure 127.1 General.127.2 Sample check .127.3 Mass reduction.147.4 Particle size reduction .177.5 Partial drying 207.6 Coarse grinding .227.7 Special sample preparation procedure
17、s.227.8 Storage.228 Performance tests (quality control)228.1 General.228.2 Performance test for mass reduction (division) .238.3 Performance test for particle size reduction (grinding)248.4 Performance test for mixing.259 Categories of feeds Special remarks and flow charts .259.1 General.259.2 Birds
18、eed.269.3 Whole cottonseed .279.4 Mineral mix299.5 Dry feeds299.6 Forages including silage, hay, haylage, TMR and byproducts .309.7 Oilseeds and high-fat feeds329.8 Large block and molasses block feeds.339.9 Liquid feeds 359.10 Canned pet food 359.11 Semi-moist pet food and dog chews369.12 Premixtur
19、es.379.13 Range and alfalfa hay pellets.389.14 Texturized and sticky feed 399.15 Aquatic feeds40Annex A (informative) Calculations, examples and tables for minimum mass .42Bibliography .46BS EN ISO 6498:2012ISO 6498:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Terms and
20、 definitions . 12.1 Definitions concerning “sample” 12.2 Definitions concerning “parameters” 22.3 Examples of animal feeding stuffs characteristics 32.4 Definitions concerning “sample preparation procedure” 53 Principle . 64 Consideration of sample preparation errors . 74.1 Subsampling and other err
21、ors . 74.2 Minimum mass . 84.3 Errors associated with division techniques . 95 Safety precautions 106 Apparatus 107 Procedure 127.1 General .127.2 Sample check .127.3 Mass reduction .147.4 Particle size reduction .177.5 Partial drying 207.6 Coarse grinding .227.7 Special sample preparation procedure
22、s .227.8 Storage .228 Performance tests (quality control) 228.1 General .228.2 Performance test for mass reduction (division) .238.3 Performance test for particle size reduction (grinding) 248.4 Performance test for mixing .259 Categories of feeds Special remarks and flow charts .259.1 General .259.
23、2 Birdseed .269.3 Whole cottonseed .279.4 Mineral mix 299.5 Dry feeds 299.6 Forages including silage, hay, haylage, TMR and byproducts .309.7 Oilseeds and high-fat feeds 329.8 Large block and molasses block feeds .339.9 Liquid feeds 359.10 Canned pet food 359.11 Semi-moist pet food and dog chews369.
24、12 Premixtures .379.13 Range and alfalfa hay pellets .389.14 Texturized and sticky feed 399.15 Aquatic feeds 40Annex A (informative) Calculations, examples and tables for minimum mass .42Bibliography .46BS EN ISO 6498:2012ISO 6498:2012(E)ForewordISO (the International Organization for Standardizatio
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