EN ISO 14362-1-2017 en Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 1 Detection of the use of certain azo colorants accessible .pdf

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1、BS EN ISO 14362-1:2017T e x t i l e s M e t h o d s f o r determination of certain aromatic amines derived from azo colorantsPart 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres (ISO 14362-1:2017)BSI Standards PublicationWB11885_BSI_StandardCovs_201

2、3_AW.indd 1 15/05/2013 15:06BS EN ISO 14362-1:2017 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 14362-1:2017. It supersedes BS EN 14362-1:2012 and BS ISO 24362-1:2014 which are withdrawn.The UK participation in its preparation was entrusted to Technical C

3、ommittee TCI/80, Chemical testing of textiles.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Stan

4、dards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 85045 5 ICS 59.060.01 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 20

5、17.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14362-1 February 2017 ICS 59.060.01 Supersedes EN 14362-1:2012English Version Textiles - Methods for determination of certain aromatic amines derived from azo coloran

6、ts - Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres (ISO 14362-1:2017) Textiles - Mthodes de dtermination de certaines amines aromatiques drives de colorants azoques - Partie 1: Dtection de lutilisation de certains colorants azoques accessible

7、s avec ou sans extraction (ISO 14362-1:2017) Textilien - Verfahren fr die Bestimmung gewisser aromatischer Amine aus Azofarbstoffen - Teil 1: Nachweis der Verwendung gewisser Azofarbstoffe mit und ohne Extraktion der Fasern (ISO 14362-1:2017) This European Standard was approved by CEN on 21 December

8、 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 concerning such national standards may be obtain

9、ed 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 and notified to the CEN-

10、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, Hungary, Iceland, Ireland,

11、Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management

12、Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14362-1:2017 EBS EN ISO 14362-1:2017EN ISO 14362-1:2017 (E) 3 European foreword This document (EN ISO 14362-1:2017) has been prepare

13、d by Technical Committee ISO/TC 38 “Textiles“ in collaboration with Technical Committee CEN/TC 248 “Textiles and textile products” the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endors

14、ement, at the latest by August 2017, and conflicting national standards shall be withdrawn at the latest by August 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 identify

15、ing any or all such patent rights. This document supersedes EN 14362-1:2012. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic,

16、Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. En

17、dorsement notice The text of ISO 14362-1:2017 has been approved by CEN as EN ISO 14362-1:2017 without any modification. BS EN ISO 14362-1:2017ISO 14362-1:2017(E)Foreword v1 Scope . 12 Normative references 13 Terms and definitions . 14 General 15 Principle 36 Safety precautions 37 Reagents 38 Apparat

18、us . 49 Test specimen sampling and preparation 69.1 General . 69.2 Textile article 69.3 Fibre composition 69.4 Case of the fibre blends 79.5 Coloured materials with pigments 79.6 Colours . 79.6.1 General 79.6.2 Case of colour gathering 79.6.3 Preparation of the three colour test specimen 810 Procedu

19、re. 810.1 Colorant extraction for disperse dyes with xylene 810.2 Textiles coloured with pigments and/or dyed with colorants other than disperse dyes . 810.3 Reductive cleavage . 810.4 Separation and concentration of the amines 810.5 Amine detection and quantification . 910.5.1 Detection of aniline

20、and 1,4-phenylenediamine (indicators of 4-aminoazobenzene) . 910.5.2 In relation to quantification equipment / other sources of false positive results . 910.6 Check procedure . 1010.6.1 General. 1010.6.2 Calibration using internal standard (quantification performed by gas chromatography) 1010.6.3 Ca

21、libration without internal standard .1110.6.4 Amine recovery 1111 Evaluation .1111.1 General 1111.2 Calculation of amine in the sample 1211.3 Reliability of the method . 1212 Test report 12Annex A (informative) Chromatographic analyses .13Annex B (informative) Reliability of the method 17Annex C (in

22、formative) Assessment guide Interpretation of analytical results 19Annex D (informative) Explanatory table of dyestuffs used in various textile materials .25Annex E (informative) Procedure for liquid/liquid extraction without diatomaceous earth .26Annex F (normative) Colorants Methods for determinat

23、ion of certain aromatic amines 29Annex G (informative) Pigments 30 ISO 2017 All rights reserved iiiContents PageBS EN ISO 14362-1:2017ISO 14362-1:2017(E)Bibliography .32iv ISO 2017 All rights reservedBS EN ISO 14362-1:2017ISO 14362-1:2017(E)ForewordISO (the International Organization for Standardiza

24、tion) 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 body interested in a subject for which a technical committee has been established has the right to be

25、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 Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to

26、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 ISO documents should be noted. This document was drafted in accordance with the editorial rules of the

27、 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 responsible for identifying any or all such patent rights. Details of any patent rights identified d

28、uring 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 given for the convenience of users and does not constitute an endorsement.For an explanation on th

29、e meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared

30、 by the European Committee Standardization (CEN) Technical Committee CEN/TC 248, Textiles and textile products, in collaboration with ISO Technical Committee TC 38, Textiles, in accordance with the agreement on technical cooperation between ISO and CEN (Vienna Agreement).This first edition of ISO 14

31、362-1 cancels and replaces ISO 24362-1:2014, which has been technically revised.The following is a list of the major technical changes between this edition and ISO 24362-1:2014: addition of a new Clause 3 and renumbered; changes to Clause 5 “Principle,” where the combined method has been removed as

32、it had been found that results were not accurate in certain cases; changes to Clause 9 “Test specimen sampling and preparation” to be more explanatory; changes to Clause 10 “Procedure” to improve the method, including using xylene as substitute for chlorobenzene (reasons: lower toxicity and lower ad

33、verse environmental effect of xylene); extension of Annex C “Assessment guide Interpretation of analytical results” to give examples for false-positive results, suggested procedures and suggested comments in test report; addition of Annex G “Pigments.”A list of all parts in the ISO 14362 series can

34、be found on the ISO website. ISO 2017 All rights reserved vBS EN ISO 14362-1:2017BS EN ISO 14362-1:2017Textiles Methods for determination of certain aromatic amines derived from azo colorants Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres1 Sco

35、peThis document describes a method to detect the use of certain azo colorants that may not be used in the manufacture or treatment of certain commodities made of textile fibres and that are accessible to reducing agent with and without extraction.Azo colorants accessible to reducing agent without ex

36、traction are those used to colour with pigments or to dye cellulosic fibres (e.g. cotton, viscose), protein fibres (e.g. wool, silk), and synthetic fibres (e.g. polyamide, acrylic).Azo colorants accessible with extraction are those used to dye man-made fibres with disperse dyes. The following man-ma

37、de fibres can be dyed with disperse dyes: polyester, polyamide, acetate, triacetate, acrylic and chlorofibre.The method is relevant for all coloured textiles, e.g. dyed, printed and coated textiles.2 Normative referencesThe following documents are referred to in the text in such a way that some or a

38、ll of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 3696, Water for analytical laboratory use Specification and test methods3

39、Terms and definitionsNo terms and definitions are listed in this document.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .

40、iso .org/ obp 4 GeneralCertain azo colorants may release, by reductive cleavage of azo group(s), one or more of the following aromatic amines.INTERNATIONAL STANDARD ISO 14362-1:2017(E) ISO 2017 All rights reserved 1BS EN ISO 14362-1:2017ISO 14362-1:2017(E)Table 1 Targeted aromatic aminescNo. CAS num

41、ber Index number EC number Substances1 92-67-1 612-072-00-6 202-177-1 biphenyl-4-ylamine 4-aminobiphenyl xenylamine2 92-87-5 612-042-00-2 202-199-1 benzidine3 95-69-2 612-196-00-0 202-441-6 4-chloro-o-toluidine4 91-59-8 612-022-00-3 202-080-4 2-naphthylamine5a97-56-3 611-006-00-3 202-591-2 o-aminoaz

42、otoluene 4-amino-2,3-dimethylazobenzene 4-o-tolylazo-o-toluidine6a99-55-8 612-210-00-5 202-765-8 5-nitro-o-toluidine 2-amino-4-nitrotoluene7 106-47-8 612-137-00-9 203-401-0 4-chloroaniline8 615-05-4 612-200-00-0 210-406-1 4-methoxy-m-phenylenediamine 2,4-diaminoanisole9 101-77-9 612-051-00-1 202-974

43、-4 4,4-methylenedianiline 4,4-diaminodiphenylmethane10 91-94-1 612-068-00-4 202-109-0 3,3-dichlorobenzidine 3,3-dichlorobiphenyl-4,4-ylenediamine11 119-90-4 612-036-00-X 204-355-4 3,3-dimethoxybenzidine o-dianisidine12 119-93-7 612-041-00-7 204-358-0 3,3-dimethylbenzidine 4,4-bi-o-toluidine13 838-88

44、-0 612-085-00-7 212-658-8 4,4-methylenedi-o-toluidine14 120-71-8 612-209-00-X 204-419-1 6-methoxy-m-toluidine p-cresidine15 101-14-4 612-078-00-9 202-918-9 4,4-methylene-bis-(2-chloro-aniline) 2,2-dichloro-4.4-methylene-dianiline16 101-80-4 612-199-00-7 202-977-0 4,4-oxydianiline17 139-65-1 612-198-

45、00-1 205-370-9 4,4-thiodianiline18 95-53-4 612-091-00-X 202-429-0 o-toluidine 2-aminotoluene19 95-80-7 612-099-00-3 202-453-1 4-methyl-m-phenylenediamine 2,4-toluylendiamine 2,4-diaminotoluene20 137-17-7 612-197-00-6 205-282-0 2,4,5-trimethylaniline21 90-04-0 612-035-00-4 201-963-1 o-anisidine 2-met

46、hoxyaniline22b60-09-3 611-008-00-4 200-453-6 4-aminoazobenzeneaThe CAS-numbers 97-56-3 (No. 5) and 99-55-8 (No. 6) are further reduced to CAS-numbers 95-53-4 (No. 18) and 95-80-7 (No. 19).bAzo colorants that are able to form 4-aminoazobenzene generate, under the condition of this method, aniline (CA

47、S-number 62-53-3) and 1,4-phenylenediamine (CAS number 106-50-3). Due to detection limits, only aniline may be detected. If aniline is detected above 5 mg/kg, then the presence of these colorants should be tested by ISO 14362-3.cThe targeted aromatic amines are the proscribed aromatic amines under R

48、egulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency.2 ISO 2017 All rights reservedBS EN ISO 14362-1:2017ISO 14362-1:2017(E)5

49、 PrincipleAfter selection of a coloured test specimen from the textile article, the test specimen is tested according to the method of colorant extraction for disperse dyes and/or the method of direct reduction for the other classes of colorants (pigments and/or dyes).The application of one of the two methods is based on the nature of the fibre(s) of the test specimen (composed of pure fibre or of fibre blends) and the colour treatment (dyeing or printing process). When the method of the colorant extraction f

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