ISO INTERNATIONAL STANDARD 105-X14 Third edition 1994-09-01 Textiles Tests for colour fastness Part X14: Colour fastness to acid chlorination of wool: Sodium dichloroisocyanurate Textiles - Essais de solidité des teintures Partie X14: Solidité des teintures sur laine au chlorage acide: Dichloroisocyanurate de sodium ISO Referencenumber ISO105-X14:1994(E) No reproduction or networking permitted without license from IHS Not for Resale ISO 105-X14:1994(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso whicha technical committeehasbeen establishedhastherighttobe 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. 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. International Standard ISO 105-X14 was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 1. Tests for coloured textiles and colorants. Thisthird edition cancelsandreplacesthe second edition (lS0105-X14:1987),ofwhichitconstitutesaminorrevision. ISO 105 was previously published in thirteen "parts", each designated by Each part contained a series of "sections", each designated by the re- spective part letter and by a two-digit serial number (e.g. "Section Ao1"). These sections are now being republished as separate documents, them- nations. A complete list of these parts is given in ISO 105-A01. ISO1994 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International OrganizationforStandardization Case Postale 56 . CH-1211 Geneve 20 · Switzerland Printed in Switzerland No reproduction or networking permitted without license from IHS Not for Resale INTERNATIONALSTANDARDISO ISO105-X14:1994(E) Textiles Tests for colour fastness Part X14: Colour fastness to acid chlorination of wool: Sodium dichloroisocyanurate Scope ISO 105-A02:1993, Textiles - Tests for colour fast- ness - Part Ao2: Grey scale for assessing change in This part of ISO 105 specifies a method for deter colour. mining the resistance of the colour of wool in al ISO3074:1975, Wool Determination forms to acid chlorination using sodium dichloro- of dichloromethane-soluble matter in combed sliver. isocyanurate1). This simulates the manufacturing op- eration in which a liquid containing or liberating active chlorine under mildly acid conditions is used for im- 31 Principle parting shrink-resistant properties to wool in textiles. A specimen of the textile istreated in a formicacid buffersolutiontowhichsolutionsofsodiumdichloro isocyanurate and sodium hydrogensulfite are added successively, and is then rinsed and dried. The change in colour of the specimen is assessed by comparison with the grey scale. 2 Normative references The following standards contain provisions which, 4 Apparatus and reagent throughreferenceinthistext,constituteprovisions of this part of iSO 105. At the time of publication, the 4.1 Grade 3 water (see ISO 105-A01:1994, sub- editions indicated were valid.All standards are subject clause 8.1), both for making up solutions and for use to revision, and parties to agreements based on this part of IsO 105 are encouraged to investigate the by itself. possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO 4.2 A freshly prepared aqueous solution containing maintain registers of currently valid International 3,0 g of anhydrous sodium formate per litre and an Standards. amount of sodium dioctylsulfosuccinate wetting agent equivalent to 0,