1、October 2014Translation 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).ICS
2、59.140.30!%;“2249424www.din.deDDIN EN ISO 2588Leather Sampling Number of items for a gross sample (ISO 2588:2014);English version EN ISO 2588:2014,English translation of DIN EN ISO 2588:2014-10Leder Probenentnahme Anzahl der Einzelstcke fr eine Gesamtprobe (ISO 2588:2014);Englische Fassung EN ISO 25
3、88:2014,Englische bersetzung von DIN EN ISO 2588:2014-10Cuir chantillonnage Nombre dunits lmentaires de lchantillon global (ISO 2588:2014);Version anglaise EN ISO 2588:2014,Traduction anglaise de DIN EN ISO 2588:2014-10www.beuth.deIn case of doubt, the German-language original shall be considered au
4、thoritative.Document comprises 7 pages09.14 DIN EN ISO 2588:2014-10 2 A comma is used as the decimal marker. National foreword This document (EN ISO 2588:2014) has been prepared by Technical Committee CEN/TC 289 “Leather” (Secretariat: UNI, Italy) in collaboration with the “International Union of Le
5、ather Technologists and Chemists Societies (IULTCS)”. The responsible German body involved in its preparation was the DIN-Normenausschuss Materialprfung (DIN Standards Committee Materials Testing), Working Committee NA 062-05-51 AA Anforderungen und physikalische Prfverfahren fr Leder und seine Ausg
6、angsprodukte. The DIN Standard corresponding to the International Standard referred to in Clause 2 of this standard is as follows: ISO 3534-2 DIN ISO 3534-2 National Annex NA (informative) Bibliography DIN ISO 3534-2, Statistics Vocabulary and symbols Part 2: Applied statistics EN ISO 2588July 2014
7、ICS 59.140.30 English Version Leather - Sampling - Number of items for a gross sample(ISO 2588:2014)Cuir - chantillonnage - Nombre dunits lmentaires de lchantillon global (ISO 2588:2014) Leder - Probenentnahme - Anzahl der Einzelstcke fr eine Gesamtprobe (ISO 2588:2014) This European Standard was ap
8、proved by CEN on 4 July 2014. 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
9、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 a
10、nd 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, Hung
11、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any f
12、orm and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 2588:2014 EEUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMContents Page Foreword . 3 1 Scope . 4 2 Normative references.
13、 4 3 Terms and definitions 4 4 Method of sampling . 4 5 Sampling report 5 2DIN EN ISO 2588:2014-10 EN ISO 2588:2014 (E) ForewordThis document (EN ISO 2588:2014) has been prepared by IULTCS “International Union of Leather Technologists and Chemists Societies in collaboration with Technical Committee
14、CEN/TC 289 “Leather” the secretariat of which is held by UNI. 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 January 2015, and conflicting national standards shall be withdrawn at the latest by J
15、anuary 2015. 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. According to the CEN-CENELEC Internal Regulations, the national standards
16、 organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
17、ourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 2588:2014 has been approved by CEN as EN ISO 2588:2014 without any modification. ”3DIN EN ISO 2588:2014-10EN ISO 2588:2014 (E
18、)1 ScopeThis International Standard specifies a method for the drawing, from a lot, of whole pieces of leather to form a gross sample.The method is applicable to all kinds of leather of any type of tannage.NOTE This International Standard does not cover marking and storage of the gross sample.2 Norm
19、ative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)
20、applies.ISO 3534-2, Statistics Vocabulary and symbols Part 2: Applied statistics3 Terms and definitionsFor the purposes of this document, the terms and definitions in ISO 3534-2 apply. For leather sampling, the following interpretations apply.3.1lotbatchdefinite quantity of leather manufactured or p
21、roduced under conditions which are presumed uniform3.2gross samplenumber of items collected as a sample from a lot3.3itemwhole piece of leather that belongs to the gross sample4 Method of sampling4.1 In the absence of any other agreement on a sampling procedure between the interested parties or in t
22、he test method, the procedure described in 4.2 and 4.3 is recommended.4.2 The number of items in a gross sample depends on the size of the lot and purpose of the sampling. The number will depend on the reliability of the test results, the variation in the properties and the error inherent in the tes
23、ting procedure.4.3 The minimum number of items in a gross sample is given in Table 1.4DIN EN ISO 2588:2014-10 EN ISO 2588:2014 (E) Table 1 The minimum number of itemsNumber of leathers in lot Non-destructive testinga Destructive testingb 1 10 2 111 50 3 251 100 4 3101 500 5 4 500 10 5aNon-destructiv
24、e testing is when the item is not damaged and can be returned to the lot.bDestructive testing is when the item after testing is not able to be returned to the lot, for example when test pieces have been cut out.4.4 The selection of pieces from the lot to form items of the gross sample shall be done
25、in a manner ensuring truly random sampling, for example, by numbering the pieces in order and then choosing the pieces by number, using a table of random numbers.5 Sampling reportThe sampling report shall include the following information:a) reference to this International Standard, i.e. ISO 2588;b)
26、 identification of the lot or lots;c) the size of the lot (i.e. total number of pieces available);d) the number of items in the gross sample that have been selected from each lot;e) any unusual features noted during the sampling operation;f) any operation carried out which is not specified in this International Standard, and details of any alternative procedure used.5DIN EN ISO 2588:2014-10EN ISO 2588:2014 (E)
