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    BS EN 20105-N01-1995 Textiles - Tests for colour fastness - Colour fastness to bleaching hypochlorite《纺织品的色牢度试验 第N01部分 耐褪色牢度 次氯酸盐试验方法》.pdf

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    BS EN 20105-N01-1995 Textiles - Tests for colour fastness - Colour fastness to bleaching hypochlorite《纺织品的色牢度试验 第N01部分 耐褪色牢度 次氯酸盐试验方法》.pdf

    1、BRITISH STANDARD BS EN 20105-N01: 1995 ISO105-N01: 1993 Textiles Testsforcolour fastness PartN01: Colour fastness to bleaching: Hypochlorite The European Standard EN20105-N01:1995 has the status of a British StandardBSEN20105-N01:1995 This British Standard, having been prepared under the directionof

    2、 the Textiles and Clothing Standards Policy Committee, was published underthe authority of the Standards Board and comesintoeffect on 15 June1995 BSI12-1999 The following BSI references relate to the work on this standard: Committee referenceTCM/25 Special announcement in BSINews November1992 ISBN 0

    3、 580 21438 9 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normal

    4、isation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authorit

    5、y of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standard

    6、iseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN20105-N01:1995 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Forew

    7、ord 2 1 Scope and field of application 3 2 Principle 3 3 References 3 4 Apparatus and reagents 3 5 Test specimen 3 6 Procedure 4 7 Test report 4 Annex ZA (normative) Normative references to internationalpublicationswiththeir relevant European publications 5 National annex NA (informative) Committees

    8、 responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN20105-N01:1995 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Textiles and Clothing Standards Policy Committee. It is the English language version

    9、 of EN20105-N01:1995 Textiles Tests for colour fastness Part N01: Colour fastness to bleaching: Hypochlorite, which is identical with ISO105-N01:1993 published by the International Organization for Standardization (ISO). The technical content of this British Standard is identical with that of the co

    10、rresponding method in BS1006:1990 Methods of test for colour fastness of textiles and leather. 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. Compliance with a British Standard does

    11、not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments inco

    12、rporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN20105-N01 January1995 ICS59.080.10 Descriptors: Textiles, dyes, tests, determination, printing, colour fastness, bleaching, sodium hypochlorite English version Textil

    13、es Tests for colour fastness PartN01: Colour fastness to bleaching: Hypochlorite (ISO105-N01:1993) Textiles Essais de solidit des teintures Partie N01: Solidit des teintures au blanchiment: Hypochlorite (ISO105-N01:1993) Textilien Farbechtheitsprfungen TeilN01: Bleichechtheit von Frbungen: Hypochlor

    14、it (ISO105-N01:1993) This European Standard was approved by CEN on1995-01-02. 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 bibl

    15、iographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of

    16、 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,

    17、Spain, Sweden, Switzerland andUnited Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 Copyright reserved to CEN members Ref. No. EN20105-N01:1995EEN20105-N01:1995 BSI 12-199

    18、9 2 Foreword This European Standard has been prepared by Technical Committee CEN/TC248, Textiles and textile products, the secretariat of which is held byBSI. This European Standard shall be given the status ofa National Standard, either by publication of an identical text or by endorsement, at the

    19、latest by July1995, and conflicting national standards shall be withdrawn at the latest by July1995. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland

    20、, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. NOTENormative references to international publications are listed in Annex ZA (normative).EN20105-N01:1995 BSI 12-1999 3 1 Scope This part of ISO105 specifies a method for determining the resistance of th

    21、e colour of textiles of all kinds and in all forms to the action of bleaching baths containing sodium or lithium hypochlorite in concentrations normally used in commercial bleaching. It is applicable mainly to natural and regenerated cellulose materials. 2 Normative references The following standard

    22、s contain provisions which, through reference in this text, constitute provisions of this part of ISO105. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO105 are encouraged to investigate the pos

    23、sibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO105-A01:1989, Textiles Tests for colour fastness Part A01: General principles of testing. ISO105-A02:1993, Textiles Tests for colou

    24、r fastness Part A02: Grey scale for assessing change in colour. ISO105-C01:1989, Textiles Tests for colour fastness Part C01: Colour fastness to washing:Test1. 3 Principle A specimen of the textile is agitated in a solution of sodium or lithium hypochlorite, rinsed in water, agitated in a hydrogen p

    25、eroxide solution or sodium hydrogen sulfite solution, rinsed and dried. The change in colour is assessed with the grey scale. 4 Apparatus and reagents 4.1 Glass or glazed-porcelain container, which can be closed, for specimen and bleaching solution. 4.2 Hypochlorite solutions Use one of the two solu

    26、tions specified in4.2.1 and4.2.2. 4.2.1 Sodium hypochlorite (NaOCl) solution, containing approximately2g of available chlorine per litre, buffered at pH11 0,2 with10g of anhydrous sodium carbonate (Na 2 CO 3 ) per litre, at a temperature of20 C 2 C. To prepare this reagent, use commercially availabl

    27、e sodium hypochlorite solution. This has the following composition: active chlorine:140g/l to160g/l; sodium chloride: (NaCl):120g/l to170g/l; sodium hydroxide: (NaOH):20g/l maximum; sodium carbonate (Na 2 CO 3 ):20g/l maximum; iron (Fe):0,01g/l maximum. Dilute20,0ml of the commercially available sod

    28、ium hypochlorite solution to1 litre with grade3 water(4.6). To25ml of this solution add excess potassium iodide (KI) and hydrochloric acid (HCl) and titrate the liberated iodine with a sodium thiosulfate solution, c(Na 2 S 2 O 3 )=0,1mol/l, using starch as indicator. Let the volume of sodium thiosul

    29、fate solution required be V ml. For each litre of working solution at pH11 0,2 use 14100/Vml of the diluted sodium hypochlorite solution; 10g of anhydrous sodium carbonate. Dilute to1litre. All sodium hypochlorite solutions should be prepared just prior to use. 4.2.2 Lithium hypochlorite (LiOCl) sol

    30、ution, containing approximately2g of available chlorine per litre, buffered at pH11 0,2 with10g of anydrous sodium carbonate (Na 2 CO 3 ) per litre, at a temperature of20 C 2 C. To prepare this reagent, use solid lithium hypochlorite, which contains approximately300g of LiOCl per kilogram. About10g

    31、of solid lithium hypochlorite dissolved in1litre of grade3 water(4.6) yields a solution of the prescribed concentration of approximately2g of available chlorine per litre. Prepare the lithium hypochlorite solution as described in4.2.1 for sodium hypochlorite. 4.3 Hydrogenperoxide solution, containin

    32、g2,5mlofhydrogen peroxide 30% (m/m) H 2 O 2 per litre, or a solution containing5g of sodium hydrogen sulfite (NaHSO 3 ) per litre. WARNING Attention is drawn to the need for relevant safety precautions when using hydrogen peroxide. 4.4 Soap solution, containing5g of soap per litre (seeISO105-C01:198

    33、9, subclause4.3), for wetting out water-repellent fabrics. 4.5 Grey scale for assessing change in colour, complying with ISO105-A02. 4.6 Grade3 water (seeISO105-A01:1989, subclause8.2). 5 Test specimen 5.1 If the textile to be tested is fabric, use a specimen measuring40mm 100mm.EN20105-N01:1995 4 B

    34、SI 12-1999 5.2 If the textile to be tested is yarn, knit it into fabric and use a piece measuring40mm 100mm, or wind it closely round a piece of thin, inert material measuring40mm 100mm to form a layer having the thickness of only one yarn. 5.3 If the textile to be tested is loose fibre, comb and co

    35、mpress enough of it to form a sheet measuring40mm 100mm; in order to support the fibres, sew the sheet on a piece of fabric which will not affect the action of the hypochlorite on the specimen. 6 Procedure 6.1 If the textile to be tested has a water-repellent finish, wet out the specimen thoroughly

    36、in the soap solution(4.4) at25 C to30 C. Drain the specimen of excess liquor so that it retains approximately its dry mass of wetting-out solution, and immediately place the specimen, opened out, in the sodium or lithium hypochlorite solution (4.2) at20 C 2 C at a liquor ratio of50:1. 6.2 If the tex

    37、tile to be tested has no water-repellent finish, wet out the specimen in grade3 water (4.6) at room temperature, remove the excess water (see6.1) and place the test specimen, opened out, in the sodium or lithium hypochlorite solution (4.2) at20 C 2 C at a liquor ratio of50:1. 6.3 Close the container

    38、 and allow the specimen to stand in the solution at20 C 2 C for60min. Avoid exposure to direct sunlight. 6.4 Rinse the specimen thoroughly in cold, running tap-water, and then agitate it at room temperature for10min in one of the solutions specified in4.3. 6.5 Rinse the specimen thoroughly in cold,

    39、running tap-water, remove the excess water and dry the specimen by hanging it in air at a temperature not exceeding60 C. 6.6 Assess the change in colour of the specimen with the grey scale (4.5). 7 Test report The test report shall include the following particulars: a) the number and date of publica

    40、tion of this part of ISO105, i.e.ISO105-N01:1993; b) all details necessary for the identification of the sample tested; c) the numerical rating for the change in colour of the specimen.EN20105-N01:1995 BSI 12-1999 5 Annex ZA (normative) Normative references to international publications with their r

    41、elevant publications This European Standard incorporates by dated or undated reference, provisions form other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revision

    42、s or any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). Publication Year Title EN Year ISO105-A02 1993 Textiles Tests for colour fast

    43、ness PartA02:Grey scale for assessing change in colour EN20105-A02 1994 ISO105-C01 1989 Textiles Tests for colour fastness PartC01:Colour fastness to washing Test1 EN20105-C01 19926 blankBSEN20105-N01:1995 BSI 12-1999 National annex NA (informative) Committees responsible The United Kingdom particip

    44、ation in the preparation of this European Standard was entrusted by the Textiles and Clothing Standards Policy Committee (TCM/-) to Technical Committee TCM/25upon which the following bodies were represented: Association of Consulting Scientists Association of Manufacturers of Domestic Electrical App

    45、liances British Retail Consortium British Textile Confederation Home Laundering Consultative Council International Wool Secretariat Lambeg Industrial Research Association Mail Order Traders Association Ministry of Defence National Wool Textile Export Corporation Soap and Detergent Industry Associati

    46、on Society of Dyers and Colourists Textile Research Council (FCA) National annex NB (informative) Cross-references Publication referred to Corresponding British Standard ISO105-A01:1989 BS EN20105 Textiles Tests for colour fastness Part A01:1993 General principles of testing ISO105-A02:1993 BS EN201

    47、05 Textiles Tests for colour fastness Part A02:1993 Grey scale for assessing change in colour ISO105-C01:1989 BS EN20105 Textiles Tests for colour fastness Part C01:1992 Colour fastness to washing: Test1BS EN 20105-N01: 1995 ISO105-N01: 1993 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandar

    48、dsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandard

    49、s should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating servic


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