1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 1833-12:2010T e x t i l e s Q u a n t i t a t i v e chemical analysisPart 12: Mixtures of acrylic, certain modacrylics, certain chlorofibres, certain elastanes and cert
2、ain other fibres (method using dimethylformamide) (ISO 1833-12:2006)BS EN ISO 1833-12:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO1833-12:2010. It is identical to ISO 1833-12:2006. It supersedes BS4407:1988 which will be withdrawn on publication of t
3、he otherparts of the BS EN ISO 1833 series.The UK participation in its preparation was entrusted to TechnicalCommittee TCI/80, Chemical testing of textiles.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include al
4、l the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 72133 5ICS 59.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Str
5、ategy Committee on 28 February 2011.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1833-12 October 2010 ICS 59.060.20 English Version Textiles - Quantitative chemical analysis - Part 12: Mixtures of acrylic, certain modacrylics, certain
6、chlorofibres, certain elastanes and certain other fibres (method using dimethylformamide) (ISO 1833-12:2006) Textiles - Analyse chimique quantitative - Partie 12: Mlanges dacrylique, certains modacryliques, certaines chlorofibres, certains lasthannes et de certaines autres fibres (mthode au dimthylf
7、ormamide) (ISO 1833-12:2006) Textilen - Quantitative chemische Analysen - Teil 12: Mischungen aus Polyacrylfasern, bestimmten Modacryl- oder Chlorfasern, bestimmten Elasthanen und bestimmten anderen Fasern (Dimethylformamid-Verfahren) (ISO 1833-12:2006) This European Standard was approved by CEN on
8、12 September 2010. 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 m
9、ay 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 and notified
10、 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, Latvia, Lithuania, L
11、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All
12、rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 1833-12:2010: EBS EN ISO 1833-12:2010EN ISO 1833-12:2010 (E) 3 Foreword The text of ISO 1833-12:2006 has been prepared by Technical Committee ISO/TC 38 “Textiles” of the International Org
13、anization for Standardization (ISO) and has been taken over as EN ISO 1833-12:2010 by 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 identica
14、l text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. 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 respons
15、ible for identifying any or all such patent rights. 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, Denmark, Estonia, Finland
16、, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 1833-12:2006 has been approved by CEN as EN ISO
17、 1833-12:2010 without any modification. BS EN ISO 1833-12:2010ISO 1833-12:2006(E) ISO 2006 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standard
18、s 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 represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take
19、part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is t
20、o prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility
21、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. ISO 1833-12 was prepared by Technical Committee ISO/TC 38, Textiles. This first edition of ISO 1833-12 cancels and replaces Clause 11 of IS
22、O 1833:1977. ISO 1833:1977 will be cancelled and replaced by ISO 1833-1, ISO 1833-3, ISO 1833-4, ISO 1833-5, ISO 1833-6, ISO 1833-7, ISO 1833-8, ISO 1833-9, ISO 1833-10, ISO 1833-11, ISO 1833-12, ISO 1833-13, ISO 1833-14, ISO 1833-15, ISO 1833-16, ISO 1833-17, ISO 1833-18 and ISO 1833-19. ISO 1833 c
23、onsists of the following parts, under the general title Textiles Quantitative chemical analysis: Part 1: General principles of testing Part 2: Ternary fibre mixtures Part 3: Mixtures of acetate and certain other fibres (method using acetone) Part 4: Mixtures of certain protein and certain other fibr
24、es (method using hypochlorite) Part 5: Mixtures of viscose, cupro or modal and cotton fibres (method using sodium zincate) Part 7: Mixtures of polyamide and certain other fibres (method using formic acid) Part 8: Mixtures of acetate and triacetate fibres (method using acetone) Part 9: Mixtures of ac
25、etate and triacetate fibres (method using benzyl alcohol) Part 10: Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane) Part 11: Mixtures of cellulose and polyester fibres (method using sulfuric acid) Part 12: Mixtures of acrylic, certain modacrylics, certain
26、 chlorofibres, certain elastanes and certain other fibres (method using dimethylformamide) Part 13: Mixtures of certain chlorofibres and certain other fibres (method using carbon disulfide/acetone) BS EN ISO 1833-12:2010ISO 1833-12:2006(E) iv ISO 2006 All rights reserved Part 14: Mixtures of acetate
27、 and certain chlorofibres (method using acetic acid) Part 15: Mixtures of jute and certain animal fibres (method by determining nitrogen content) Part 16: Mixtures of polypropylene fibres and certain other fibres (method using xylene) Part 17: Mixtures of chlorofibres (homopolymers of vinyl chloride
28、) and certain other fibres (method using sulfuric acid) Part 18: Mixtures of silk and wool or hair (method using sulfuric acid) Part 19: Mixtures of cellulose fibres and asbestos (method by heating) Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and
29、certain other fibres (method using cyclohexanone) The following parts are under preparation: Part 6: Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride) Part 20: Mixtures of elastane and certain other fibres (method using d
30、imethylacetamide) Part 22: Mixtures of viscose or certain types of cupro or modal or lyocell and flax fibres (method using formic acid and zinc chlorate) Part 23: Mixtures of polyethylene and polypropylene (method using cyclohexanone) Part 24: Mixtures of polyesteer and some other fibres (method usi
31、ng phenol and tetrachloroethane) BS EN ISO 1833-12:2010INTERNATIONAL STANDARD ISO 1833-12:2006(E) ISO 2006 All rights reserved 1Textiles Quantitative chemical analysis Part 12: Mixtures of acrylic, certain modacrylics, certain chlorofibres, certain elastanes and certain other fibres (method using di
32、methylformamide) 1 Scope This part of ISO 1833 specifies a method, using dimethylformamide, to determine the percentage of acrylic, modacrylic, chlorofibre or elastane, after removal of non-fibrous matter, in textiles made of binary mixtures of acrylic, certain modacrylics, certain chlorofibres, cer
33、tain elastanes and animal fibres, cotton (scoured, kiered or bleached), viscose, cupro, modal, polyamide, polyester or glass fibres. It is applicable to animal hair, wool and silk dyed with pre-metallized dyes, but not to those dyed with after-chrome dyes. 2 Normative references The following refere
34、nced documents are indispensable for the application 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 1833-1, Textiles Quantitative chemical analysis Part 1: General p
35、rinciples of testing 3 Principle The acrylic, modacrylic, chlorofibre or elastane is dissolved out from a known dry mass of the mixture, with dimethylformamide at 90 C to 95 C. The residue is collected, washed, dried and weighed; its mass, corrected if necessary, is expressed as a percentage of the
36、dry mass of the mixture, and the percentage of acrylic, modacrylic, chlorofibre or elastane is found by the difference. 4 Reagents Use the reagents described in ISO 1833-1 together with that given in 4.1. 4.1 Dimethylformamide, boiling point 152 C to 154 C. SAFETY PRECAUTIONS The toxic effects of th
37、is reagent shall be borne in mind, and full precautions shall be taken during use. BS EN ISO 1833-12:2010ISO 1833-12:2006(E) 2 ISO 2006 All rights reserved5 Apparatus Use the apparatus described in ISO 1833-1 together with those given in 5.1 and 5.2. 5.1 Conical flask, minimum capacity 200 ml, glass
38、-stoppered. 5.2 Heating apparatus, suitable for maintaining the temperature of the flask within the limits 90 C to 95 C. 6 Test procedure Follow the general procedure given in ISO 1833-1, and then proceed as follows. To the specimen contained in the conical flask, add 150 ml of dimethylformamide per
39、 gram of specimen. Insert the stopper, shake the flask to wet out the specimen and heat the flask for 1 h at 90 C to 95 C. If there are difficulties in dissolving the acrylic portion of the specimen completely, add an extra volume of 50 ml of dimethylformamide. Shake the flask and contents gently by
40、 hand five times during this period. Decant the liquid through a weighed filter crucible, retaining the fibres in the flask. Add a further 60 ml of dimethylformamide to the flask and heat it for 30 min at 90 C to 95 C, shaking the flask and contents gently by hand twice during this period. Filter th
41、e contents of the flask through the filter crucible using suction. Transfer any residual fibres to the crucible by washing out the flask with water. Drain the crucible using suction. Wash the residue twice with hot water by filling the crucible, allowing it to drain under gravity, and then drain usi
42、ng suction. If the residue consists of polyamide or polyester fibre, dry the crucible and residue, then cool and weigh them. If the residue consists of animal fibre, cotton, viscose, cupro or modal fibre, transfer it with forceps to a 200 ml glass-stoppered flask, add 160 ml of water and allow the f
43、lask to stand for 5 min at room temperature, shaking the flask and contents vigorously at intervals. Decant the water through the crucible and repeat this washing process three more times. After the last wash, filter the contents of the flask through the crucible using suction. Transfer any residual
44、 fibres to the crucible by washing out the flask with water. Finally, drain the crucible using suction, dry the crucible and residue, then cool and weigh them. 7 Calculation and expression of results Calculate the results as described in the general instructions of ISO 1833-1. The value of d is 1,00
45、, except in the following cases: polyamide 1,01 wool 1,01 scoured, kiered or bleached cotton 1,01 viscose, cupro, modal 1,01 polyester 1,01 BS EN ISO 1833-12:2010ISO 1833-12:2006(E) ISO 2006 All rights reserved 38 Precision On a homogeneous mixture of textile materials, the confidence limits of the
46、results obtained by this method are not greater than 1 for the confidence level of 95 %. This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand other standards-related publications, information and service
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