BS EN 4507-2013 Aerospace series Non-metallic materials Textiles Test method Determination of water extractable matter《航空航天系列 非金属材料 织物 试验方法 水可萃取物的测定》.pdf

1、BSI Standards PublicationBS EN 4507:2013Aerospace series Non-metallic materials Textiles Test method Determinationof water extractable matterBS EN 4507:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4507:2013.The UK participation in its preparation was ent

2、rusted to TechnicalCommittee ACE/65, Non-metallic materials for aerospace purposes.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its co

3、rrectapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 81721 2ICS 49.025.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strate

4、gy Committee on 31 July 2013.Amendments issued since publicationDate Text affectedBS EN 4507:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4507 July 2013 ICS 49.025.60 English Version Aerospace series - Non-metallic materials - Textiles - Test method - Determination of water extractable m

5、atter Srie arospatiale - Matriaux non-mtalliques - Textiles - Mthode dessai - Dtermination des matires solubles dans leau Luft- und Raumfahrt - Nichtmetallische Werkstoffe - Textilien - Prfverfahren - Bestimmung von wasserlslichen Stoffen This European Standard was approved by CEN on 8 May 2013. CEN

6、 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 obtained on appl

7、ication 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-CENELEC Ma

8、nagement 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, Italy, Lat

9、via, 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 KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-10

10、00 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4507:2013: EBS EN 4507:2013EN 4507:2013 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 Health and sa

11、fety . 4 5 Principle/Technique . 4 6 Resources/Facilities 5 6.1 Apparatus . 5 6.2 Materials/Reagents 5 6.3 Qualification of personnel 5 7 Test samples/Test pieces . 5 8 Test procedure . 6 9 Expression of results 6 9.1 Individual results . 6 9.2 Calculation 6 10 Measurement uncertainties 7 11 Designa

12、tion 7 12 Test report 7 BS EN 4507:2013EN 4507:2013 (E) 3 Foreword This document (EN 4507:2013) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this S

13、tandard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the lat

14、est by Janauary 2014, and conflicting national standards shall be withdrawn at the latest by January 2014. 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

15、 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, Former Yugoslav Republic of M

16、acedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4507:2013EN 4507:2013 (E) 4 Introduction This standard is pa

17、rt of the series of EN non-metallic materials standards for aerospace applications. The general organisation of this series is described in EN 4385. This standard is a level 3 document as defined in EN 4385. 1 Scope This European Standard specifies the procedure for the determination of water extrac

18、table matter of textile material. This method has been written in response to an aerospace requirement for a method of extraction using hot water. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applicatio

19、n. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4385 Aerospace series Non-metallic materials General organisation of standardization Links between types of standards 1)EN 20139 Texti

20、les Standard atmospheres for conditioning and testing (ISO 139) ISO 383 Laboratory glassware Interchangeable conical ground joints 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 water extractable matter added or naturally occurring matter wh

21、ich may be present in the fabric, i.e. yarn size, oils or grease that is extractable by boiling water 4 Health and safety This standard does not necessarily include all health and safety requirements associated with its use. Persons using this standard shall be familiar with normal laboratory/test h

22、ouse practices. It is the responsibility of the user to establish satisfactory health, safety and environment practices and to ensure conformity with any European, National or local laws/regulations. 5 Principle/Technique An aqueous extract is prepared using distilled or deionized water. The extract

23、able matter is then measured by gravimetric method. 1) Published as ASD-STAN Prestandard at the date of publication of this standard BS EN 4507:2013EN 4507:2013 (E) 5 6 Resources/Facilities 6.1 Apparatus 6.1.1 Round bottomed flasks of chemically resistant glass with a volume of 250 ml and a ground g

24、lass neck of size 24/29 in accordance with ISO 383. 6.1.2 A glass stopper incorporating a stopcock with P.T.F.E. core liner to prevent sticking of the glass core in the neck of the stopcock NOTE Grease shall not be used for this purpose. 6.1.3 Water-cooled condensers 6.1.4 Laboratory balance, accura

25、te to 0,0002 g 6.1.5 Filter paper with the following nominal characteristics mass of 100 g/m2 retention 2,5 m thickness 0,2 mm ash content 0,007 % initial filtration speed slow NOTE Whatman 42 has been found suitable. 6.1.6 100 ml Evaporating vessel. 6.2 Materials/Reagents The following reagents are

26、 required and shall be of recognised analytical quality. Distilled or deionized water, having a maximum conductivity of 1 mS/m 6.3 Qualification of personnel No specific requirements 7 Test samples/Test pieces Samples shall be taken representative of the bulk and of sufficient size to provide all th

27、e test specimens required. All samples shall be kept identifiable to the bulk textiles which they represent. Cut the sample under test into pieces of such size that all parts readily wet out. Care must be taken to avoid any contamination of samples and handling must be kept to an absolute minimum. N

28、OTE Nominal 10 mm squares have been found suitable. The samples are conditioned and tested in a standard atmosphere of (65 2) % r.h. and (20 2) C in accordance with EN 20139 Standard Temperate Atmosphere For Testing. BS EN 4507:2013EN 4507:2013 (E) 6 8 Test procedure 8.1 Cut the sample into nominal

29、10 mm squares and weigh (5 0,05) g of conditioned sample into flask(6.1.1). 8.2 To the flask containing the sample under test add (100 0.1) ml of distilled water (6.1.2). NOTE For sample weight of less than 5 g, the liquor ratio should be maintained at 1:20, i.e. 1 g of sample to 20 ml of water. 8.3

30、 Connect the flask containing the sample and water to the water cooled condenser (6.1.3). Quickly bring contents to the boil and continue to boil liquor gently for 60 minutes. After this period disconnect and remove flask from condenser whilst liquor is still boiling close immediately with the glass

31、 stopcock (6.1.2). 8.4 Do not filter or make up volume but cool rapidly to (20 2) C to ensure a partial vacuum is created to ensure the extract is not contaminated. 8.5 Determination of water extractable matterFilter the extract through a suitable filter paper (6.1.5) and evaporate a measured portio

32、n of the filtered extract to dryness in a tarred evaporating vessel (6.1.6). 8.6 Dry the residue at 105 C to 110 C until a constant mass is achieve (no more than 0,0005 g loss of mass on drying for a further 30 min). 9 Expression of results 9.1 Individual results Not applicable. 9.2 Calculation The

33、water extractable matter (Pw) is calculated as a percentage by mass of the conditioned mass of the specimen, by the following equation a) For yarns or fabrics other than wool Pw = Vm3102b) For felts, loose fibres and wool in any textile form Pw = Vm3105where m is the mass of the residue (g) V is the

34、 volume of extract taken (ml) BS EN 4507:2013EN 4507:2013 (E) 7 10 Measurement uncertainties Not applicable 11 Designation Not applicable 12 Test report The report shall include: a) Reference to this European Standard, i.e. EN 4507; b) Identification of sample tested (i.e. lot number, batch number);

35、 c) The content of water extractable matter as a percentage of the conditioned mass of the specimen; d) Traceability to the individual who performed the test; e) Date of test; f) Details of any deviation from this test method. This page deliberately left blankThis page deliberately left blankBSI is

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