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本文(DIN 53160-2-2010 Determination of the colourfastness of articles for common use - Part 2 Test with artificial sweat《公共物品色牢度测定 第2部分 人造汗水试验》.pdf)为本站会员(postpastor181)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DIN 53160-2-2010 Determination of the colourfastness of articles for common use - Part 2 Test with artificial sweat《公共物品色牢度测定 第2部分 人造汗水试验》.pdf

1、 October 2010 Translation 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).IC

2、S 67.250; 97.200.50!$o-s“1761080www.din.deDDIN 53160-2Determination of the colourfastness of articles for common use Part 2: Test with artificial sweatEnglish translation of DIN 53160-2:2010-10Bestimmung der Farblssigkeit von Gebrauchsgegenstnden Teil 2: Prfung mit SchweisimulanzEnglische bersetzung

3、 von DIN 53160-2:2010-10Dtermination de la libration de colorants des objets utilitaires Partie 2: Essai la sueur artificielleTraduction anglaise de DIN 53160-2:2010-10SupersedesDIN V 53160-2:2002-10www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.05.11Doc

4、ument comprises 7 pagesDIN 53160-2:2010-10 A comma is used as the decimal marker. Contents Foreword. 3 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 Apparatus and materials. 4 5 Reagents 5 6 Procedure. 5 7 Evaluation 6 8 Test report 6 9 Precision 6 2 Page DIN 53160-2:2010-10 Forew

5、ord This standard has been prepared by Joint Working Group NA 078-00-14-01 GAK Speichel- und Schweiecht-heit of Joint Working Committee NA 078-00-14 GA Analysenverfahren fr Farbmittel of the Normenausschuss Pigmente und Fllstoffe (Pigments and Extenders Standards Committee). In order to avoid misund

6、erstandings it should be noted that the method of test specified in this standard is not identical to that described in DIN EN ISO 105-E04 “Textiles Tests for colour fastness Part E04: Colour fastness to perspiration (ISO 105-E04:1994)”. Amendments This standards differs from DIN V 53160-2:2002-10 a

7、s follows: a) Clause 1 “Scope” has been amended; b) Clause 3 “Terms and definitions” has been added; c) in Clause 4 “Apparatus and materials” cling film has been added; d) the standard has been editorially revised and brought in line with the current rules of presentation. Previous editions DIN 5316

8、0: 1965-10, 1974-06 DIN V 53160-2: 2002-10 3 DIN 53160-2:2010-10 1 Scope This standard specifies a method of testing the colourfastness of articles for common use to artificial sweat. The method is particularly suitable for those articles that are intended to come into contact with the skin, or for

9、which it can be foreseen that they will, when used, come into contact with the skin. With the test it is established whether colouring materials can migrate from the articles for common use to the skin. This standard does not apply to articles for common use that are intended to come into contact wi

10、th foodstuffs or to those articles or parts of articles whose function is the release of colouring materials. NOTE Examples of the latter are wax crayons and leads of pencil crayons. The test method is applicable to all articles for common use, independent of the colouring procedure applied (e.g. dy

11、eing, staining, coating). Possible mechanical wear (e.g. exposure of a coloured layer after mechanical abrasion of a finishing coat) is not taken into account. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only

12、 the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 12491, Laboratory glassware Vacuum desiccators DIN 12880, Electrical laboratory devices Heating ovens and incubators DIN EN 20105-A03, Textiles Tests for colour f

13、astness Part A03: Grey scale for assessing staining DIN ISO 3696, Water for analytical laboratory use Specification and test methods 3 Terms and definitions For the purposes of this document the following terms and definitions apply. 3.1 colourfastness migration of a colouring material from the arti

14、cle to be tested to the filter paper using a simulant 3.2 colouring materials generic term for all chromophoric substances NOTE See DIN 55944 for the classification of colouring materials. DIN 55943:2001-10, 3.58 3.3 finishing coat final coat of a coating system DIN EN ISO 4618:2007-03, 2.108 4 Appa

15、ratus and materials 4.1 Filter paper, for qualitative analyses, medium-dense. 4 DIN 53160-2:2010-10 4.2 Adhesive tape, colourless, self-adhesive plastics tape, about 12 mm wide. 4.3 Film, cling film as used in households. 4.4 Desiccator, as in DIN 12491. 4.5 Oven, as in DIN 12880, suitable for an op

16、erating temperature of (37 2) C. 5 Reagents 5.1 General Unless otherwise specified, only analytical-grade reagents and water of at least grade 3 purity as defined in DIN ISO 3696 shall be used for the artificial sweat. 5.2 Composition of the artificial sweat of pH value 6,5 0,1 Table 1 Artificial sw

17、eat Reagents Mass fraction g/l Sodium chloride Urea Lactic acid ( 88 % (m/m) 5,0 1,0 1,0 Ammonium hydroxide solution (1 % (m/m) to be added until a pH value of 6,5 0,1 is achieved.NOTE The composition of the artificial sweat complies with that specified in DIN EN 1811. 5.3 Preparation of the artific

18、ial sweat Transfer (1,00 0,01) g of urea, (5,00 0,01) g of sodium chloride and (1,00 0,01) g of lactic acid to a 1 000 ml beaker. Add (900 1) ml of water and stir until the complete dissolution of all the reagents added. Calibrate the pH meter in accordance with the manufacturers instructions using

19、buffer solution. Immerse the pH electrode in the solution, stir slightly, and add ammonium hydroxide solution until a stable pH value of 6,5 0,1 is achieved. Transfer the solution to a 1 000 ml one-mark volumetric flask and make up to the mark with water. Before use, make sure that the pH value of t

20、he artificial sweat is in the range of 6,5 0,1. Use the artificial sweat on the day of preparation. 6 Procedure 6.1 Depending on the size of the article to be tested (referred to as the specimen in the following), cut a strip about 15 mm wide and up to 80 mm long from the filter paper (4.1). 6.2 Soa

21、k the filter paper strip using artificial sweat (5.3). 6.3 Place the soaked filter paper strip (see 6.2) on the specimen and attach it to the specimen, e.g. with the adhesive tape (4.2) or film-wrapped (4.3), making sure that there is close contact between the specimen and the soaked filter paper (p

22、articularly to be observed in the case of curved articles). For this purpose, the adhesive tape shall cover the filter paper strip over its entire length and at least 10 mm shall project over both ends of the strip so that it can adhere to the dry areas of the specimen. 5 DIN 53160-2:2010-10 If the

23、article to be tested is too large, carry out the test using a portion or a cutout of the article. If the article is too small to be arranged for the test as described above (e.g. wooden beads) it is to be tightly wrapped in a piece of filter paper soaked with the artificial sweat. 6.4 Store the spec

24、imen prepared as described in 6.3 in the desiccator (4.4) over water at (37 2) C for two hours. Previously bring the desiccator to the test temperature using the oven (4.5) and leave it there during the period of test. 7 Evaluation Remove the filter paper from the specimen. Place the filter paper, w

25、ith the adhesive tape side facing downwards, in the oven and dry it at (37 2) C for one hour. Evaluate the coloration of the filter paper by comparison with the grey scale as defined in DIN EN 20105-A03. Indicate the step on the grey scale as the result. If the filter paper is not coloured uniformly

26、, evaluate the area with the strongest coloration and indicate this in the test report. NOTE To facilitate the assessment, the grey scale together with the stained filter paper strips can be assessed using a commercially available scanner/copier, where the colour intensity is expressed in grey scale

27、 steps and compared to the grey scale determined simultaneously. 8 Test report The test report shall include at least the following details: a) all details necessary to identify the article for common use tested; b) a reference to this standard (DIN 53160-2); c) the test result: Step on the grey sca

28、le (see Clause 7); d) any deviation from the test method specified; e) the date of testing. 9 Precision Information on precision is currently not available. 6 DIN 53160-2:2010-10 7 Bibliography DIN 55943:2001-10, Colouring materials Terms and definitions DIN 55944, Colouring materials Classification according to coloristic and chemical aspects DIN EN 1811, Reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin DIN EN ISO 4618:2007-03, Paints and varnishes Terms and definitions (ISO 4618:2006)

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