DIN EN ISO 9202-2016 Jewellery - Fineness of precious metal alloys (ISO 9202 2014) German version EN ISO 9202 2016《珠宝 贵重金属合金的钝度(ISO 9202-2014) 德文版本EN ISO 9202-2016》.pdf

《DIN EN ISO 9202-2016 Jewellery - Fineness of precious metal alloys (ISO 9202 2014) German version EN ISO 9202 2016《珠宝 贵重金属合金的钝度(ISO 9202-2014) 德文版本EN ISO 9202-2016》.pdf》由会员分享，可在线阅读，更多相关《DIN EN ISO 9202-2016 Jewellery - Fineness of precious metal alloys (ISO 9202 2014) German version EN ISO 9202 2016《珠宝 贵重金属合金的钝度(ISO 9202-2014) 德文版本EN ISO 9202-2016》.pdf（11页珍藏版）》请在麦多课文档分享上搜索。

1、December 2016 English price group 8No 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 39.060!%B“2599131www.din.deDIN E

2、N ISO 9202Jewellery Fineness of precious metal alloys (ISO 9202:2014);English version EN ISO 9202:2016,English translation of DIN EN ISO 9202:2016-12Schmuck Feingehalt von Edelmetalllegierungen (ISO 9202:2014);Englische Fassung EN ISO 9202:2016,Englische bersetzung von DIN EN ISO 9202:2016-12Joaille

3、rie, bijouterie Titre des alliages de mtaux prcieux (ISO 9202:2014);Version anglaise EN ISO 9202:2016,Traduction anglaise de DIN EN ISO 9202:2016-12SupersedesDIN EN 29202:199303www.beuth.deDocument comprises 11 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original sh

4、all be considered authoritative.12.16 DIN EN ISO 9202:2016-12 2 A comma is used as the decimal marker. National foreword The text of ISO 9202:2014 has been prepared by Technical Committee ISO/TC 174 “Jewellery (Secretariat: DIN, Germany) and has been taken over as EN ISO 9202:2016 according to the d

5、ecision CEN/BT C137/2015. The responsible German body involved in its preparation was DIN-Normenausschuss Feinmechanik und Optik (DIN Standards Committee Optics and Precision Mechanics), Working Committee NA 027-04-04 AA Analysenmethoden. The DIN Standards corresponding to the International Standard

6、s referred to in this document are as follows: ISO 11210 DIN EN ISO 11210 ISO 11426 DIN EN ISO 11426 ISO 11427 DIN EN ISO 11427 ISO 11490 DIN EN ISO 11490 ISO 11494 DIN EN ISO 11494 ISO 11495 DIN EN ISO 11495 Amendments This standard differs from DIN EN 29202:1993-03 as follows: a) in Table 1, a rec

7、ommended method has been included; b) in Table 1, carat has been deleted; c) in Table 1, additional finenesses have been included; d) the standard has been editorially revised. Previous editions DIN EN 29202: 1993-03 DIN EN ISO 9202:2016-12 3 National Annex NA (informative) Bibliography DIN EN ISO 1

8、1210, Jewellery Determination of platinum in platinum jewellery alloys Gravimetric method after precipitation of diammonium hexachloroplatinate DIN EN ISO 11426, Jewellery Determination of gold in gold jewellery alloys Cupellation method (fire assay) DIN EN ISO 11427, Jewellery Determination of silv

9、er in silver jewellery alloys Volumetric (potentiometric) method using potassium bromide DIN EN ISO 11490, Jewellery Determination of palladium in palladium jewellery alloys Gravimetric determination with dimethylglyoxime DIN EN ISO 11494, Jewellery Determination of platinum in platinum jewellery al

10、loys ICP-OES method using yttrium as internal standard element DIN EN ISO 11495, Jewellery Determination of palladium in palladium jewellery alloys ICP-OES method using yttrium as internal standard element DIN EN ISO 9202:2016-12 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE E

11、UROPISCHE NORM EN ISO 9202 October 2016 ICS 39.060 Supersedes EN 29202:1992English Version Jewellery - Fineness of precious metal alloys(ISO9202:2014) Joaillerie, bijouterie - Titre des alliages de mtaux prcieux (ISO 9202:2014) Schmuck - Feingehalt von Edelmetalllegierungen(ISO9202:2014) This Europe

12、an Standard was approved by CEN on 26 August 2016. 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 conc

13、erning 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 language made by translation under the responsibility of a CEN member in

14、to 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,

15、Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, 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 KOMITE

16、E FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 9202:2016 EContents PageForeword . 4Introduction .51 Scope .62 Normative references 63 Terms and

17、 definitions .64 Analytical methods for determining fineness 65 Range of fineness .7European foreword . 3EN ISO 9202:2016 (E) DIN EN ISO 9202:2016-12 2 European foreword The text of ISO 9202:2014 has been prepared by Technical Committee ISO/TC 174 “Jewellery” of the International Organization for St

18、andardization (ISO) and has been taken over as EN ISO 9202:2016. 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 April 2017, and conflicting national standards shall be withdrawn at the latest by

19、April 2017. 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 EN 29202:1992. According to the CEN-CENELEC Inter

20、nal 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ir

21、eland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 9202:2014 has been approved by CEN as EN ISO 9202:2016 without any modification. EN IS

22、O 9202:2016 (E) DIN EN ISO 9202:2016-12 3 ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member b

23、ody interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electro

24、technical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of I

25、SO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held r

26、esponsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information g

27、iven for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the follow

28、ing URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 174, Jewellery.This second edition cancels and replaces the first edition (ISO 9202:1991), which has been technically revised.The major technical changes are the following:a) inclusion of a recommended

29、 method in Table 1;b) deletion of carat in Table 1;c) addition of finesses in Table 1;d) International Standard was editorially revised.EN ISO 9202:2016 (E) DIN EN ISO 9202:2016-12 4 IntroductionThe following definitions apply in understanding how to implement an ISO International Standard and other

30、 normative ISO deliverables (TS, PAS, IWA). “shall” indicates a requirement; “should” indicates a recommendation; “may” is used to indicate that something is permitted; “can” is used to indicate that something is possible, for example, that an organization or individual is able to do something.ISO/I

31、EC Directives, Part 2 (sixth edition, 2011), 3.3.1 defines a requirement as an “expression in the content of a document conveying criteria to be fulfilled if compliance with the document is to be claimed and from which no deviation is permitted.”ISO/IEC Directives, Part 2 (sixth edition, 2011), 3.3.

32、2 defines a recommendation as an “expression in the content of a document conveying that among several possibilities one is recommended as particularly suitable, without mentioning or excluding others, or that a certain course of action is preferred but not necessarily required, or that (in the nega

33、tive form) a certain possibility or course of action is deprecated but not prohibited.”EN ISO 9202:2016 (E) DIN EN ISO 9202:2016-12 5 1 ScopeThis International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery.National l

34、egal requirements for the designation, marking, and stamping of finished articles in the respective countries have to be taken into account.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For d

35、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 11210, Jewellery Determination of platinum in platinum jewellery alloys Gravimetric method after precipitation of diammonium hexachloroplatina

36、teISO 11426, Jewellery Determination of gold in gold jewellery alloys Cupellation method (fire assay)ISO 11427, Jewellery Determination of silver in silver jewellery alloys Volumetric (potentiometric) method using potassium bromideISO 11490, Jewellery Determination of palladium in palladium jeweller

37、y alloys Gravimetric determination with dimethylglyoximeISO 11494, Jewellery Determination of platinum in platinum jewellery alloys ICP OES method using yttrium as internal standard elementISO 11495, Jewellery Determination of palladium in palladium jewellery alloys ICP OES method using yttrium as i

38、nternal standard elementISO 13756, Determination of silver in silver jewellery alloys Volumetric (potentiometric) method using sodium chloride or potassium chlorideISO 15093, Jewellery Determination of precious metals in 999 gold, platinum and palladium jewellery alloys Difference method using ICP-O

39、ESISO 15096, Jewellery Determination of silver in 999 silver jewellery alloys Difference method using ICP-OES3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1finenessminimum content of the named precious metal, measured in terms of parts per thou

40、sand () by weight of alloy4 Analytical methods for determining finenessFor determining the fineness of precious metal alloys, one of the following test methods shall be used: ISO 11210, ISO 11426, ISO 11427, ISO 11490, ISO 11494, ISO 11495, ISO 13756, ISO 15093, or ISO 15096.EN ISO 9202:2016 (E) DIN

41、 EN ISO 9202:2016-12 6 The recommended methods are listed in Table 1.5 Range of finenessTable 1 Fineness of precious metal alloysPrecious metalFinenessamin.Recommended methodGold333b375417585750916990ISO 11426999 ISO 11426 or ISO 15093Platinum500600850900950990ISO 11210ISO 11494999 ISO 15093Palladium500950990ISO 11490ISO 11495999 ISO 15093Silver800925958990ISO 11427ISO 13756999 ISO 15096aThe fineness is stated as minimum value. No minus tolerance is allowed.bValues are given in parts per thousand ().EN ISO 9202:2016 (E) DIN EN ISO 9202:2016-12 7