BS-EN-ISO-1736-2000 BS-1743-11-2000.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 1736:2000 BS 17
2、43-11:2000 The European Standard EN ISO 1736:2000 has the status of a British Standard ICS 67.100.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Dried milk and dried milk products Determination of fat content Gravimetric method (Reference method) Licensed Copy: sheffieldun
3、 sheffieldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Consumer Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 June 2000
4、BSI 06-2000 ISBN 0 580 34101 1 BS EN ISO 1736:2000 Amendments issued since publication Amd. No.DateComments National foreword This British Standard is the official English language version of EN ISO 1736:2000. It is identical with ISO 1736:2000. It supersedes BS 1743-11:1986 which is withdrawn. The
5、UK participation in its preparation was entrusted to Technical Committee AW/5, Chemical analysis of milk and milk products, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or propo
6、sals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and
7、CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section
8、entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Complia
9、nce with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 14, an inside back cover and a back co
10、ver. The BSI copyright notice displayed in this document indicates when the document was last issued. Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1736 March 2000 ICS 67.100.01 Engl
11、ish version Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method) (ISO 1736:2000) Lait sec et produits base de lait sec - Dtermination de la teneur en matire grasse - Mthode gravimtrique (Mthode de rfrence) (ISO 1736:2000) Milchpulver und Trockenmi
12、lcherzeugnisse - Bestimmung des Fettgehaltes - Gravimetrisches Verfahren (Referenzverfahren) (ISO 1736:2000) This European Standard was approved by CEN on 24 December 1999. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe
13、an 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English,
14、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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic,
15、 Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Stassart, 36
16、 B-1050 Brussels 2000 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 1736:2000 E Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of the International
17、Standard ISO 1736:2000 has been prepared by Technical Committee ISO/TC 34 “Agricultural food products“ in collaboration with Technical Committee CEN/TC 302 “Milk and milk products - Methods of sampling and analysis“, the secretariat of which is held by NNI. This European Standard shall be given the
18、status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2000, and conflicting national standards shall be withdrawn at the latest by September 2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations
19、 of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text o
20、f the International Standard ISO 1736:2000 was approved by CEN as a European Standard without any modification. EN ISO 1736:2000 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 1736:2000(E) INTERNATIONAL STANDARD ISO 173
21、6 Third edition 2000-03-01 Dried milk and dried milk products Determination of fat content Gravimetric method (Reference method) Lait sec et produits base de lait sec Dtermination de la teneur en matire grasse Mthode gravimtrique (Mthode de rfrence) EN ISO 1736:2000 Licensed Copy: sheffieldun sheffi
22、eldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii? EN ISO 1736:2000 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 14:53:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ?iii Contents?Page Foreword.iv 1?Scope 1 2?Normative reference1 3?Term and definition .1 4?Princip
23、le1 5?Reagents.2 6?Apparatus .2 7?Sampling.3 8?Preparation of test sample3 9?Procedure .4 9.1?Test portion4 9.2?Blank tests4 9.3?Preparation of fat-collecting vessel.4 9.4?Determination.5 10?Calculation and expression of results.7 10.1?Calculation7 10.2?Expression of results 7 11?Precision.7 11.1?In
24、terlaboratory test7 11.2?Repeatability.8 11.3?Reproducibility.8 12?Test report8 Annex A (informative) Notes on procedures 9 Annex B (informative) Alternative procedure using fat-extraction tubes with siphon or wash-bottle fittings.11 Bibliography14 EN ISO 1736:2000 Licensed Copy: sheffieldun sheffie
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