General Information

Abstract

This document specifies a method, using carbon disulfide/acetone, to determine the mass percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of
—          certain chlorofibres,
with
—     wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester, acrylic, melamine, polypropylene, polypropylene/polyamide bicomponent, polyacrylate and glass fibres.
It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-17 or ISO 1833-21.

Status
Published
Publication Date
22-Oct-2019
Withdrawal Date
29-Apr-2020
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
23-Oct-2019
Completion Date
23-Oct-2019

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EN ISO 1833-13:2019

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Overview

EN ISO 1833-13:2019 is an international standard specifying a quantitative chemical analysis method for textiles. It focuses on determining the mass percentage of chlorofibres in textile mixtures using a carbon disulfide and acetone solvent extraction technique. This method applies after removing non-fibrous matter and is suitable for mixtures of certain chlorofibres with a wide range of other fibres including wool, silk, cotton, viscose, polyamide, polyester, acrylic, glass fibres, and more.

Developed by ISO/TC 38 in collaboration with CEN, the standard ensures accurate and reproducible chemical analysis results essential for textile quality control and compliance in global markets.

Key Topics

  • Scope and applicability: Method applies to textiles containing chlorofibres mixed with natural fibers (wool, silk, cotton, animal hair), regenerated fibers (viscose, cupro, modal, lyocell), synthetics (polyamide, polyester, polypropylene, acrylic), and glass fibres.
  • Chemical principle: Chlorofibres are dissolved selectively using an azeotropic mixture of carbon disulfide and acetone, leaving other fibres undissolved.
  • Test procedure:
    • Specimen is extracted with carbon disulfide/acetone in a mechanical shaker.
    • Extracted chlorofibre residue is filtered, washed with ethanol and water, dried, and weighed.
    • Percentage mass is calculated by the difference in specimen mass pre- and post-extraction.
  • Reagents and apparatus: Requires specific solvents, glassware (conical flask, watch-glass), and mechanical shaker compliant with ISO 1833-1.
  • Precision: Confidence limits of results have a ±1 percentage point accuracy at 95% confidence.
  • Safety: Handling carbon disulfide demands strict safety precautions due to its toxicity.

Applications

  • Textile quality control: Precise quantification of chlorofibre content allows manufacturers and laboratories to verify fabric composition claims and meet regulatory or customer requirements.
  • Material compliance testing: Ensures textile products containing chlorofibres meet defined chemical and performance standards before market release.
  • Research and development: Supports fibre blend optimization by accurately assessing component percentages in experimental textiles.
  • Customs and trade: Facilitates customs inspection and trade compliance by providing recognized quantitative evidence of fibre content.
  • Environmental assessment: Helps identify chlorofibre proportions in textiles relevant for recycling and waste management processes.

Related Standards

  • ISO 1833-1: General principles for quantitative chemical analysis of textiles.
  • ISO 1833-4: Method for mixtures of certain protein fibres (e.g., wool, silk) with other fibres using hypochlorite.
  • ISO 1833-7: Analysis of polyamide mixtures by applying formic acid extraction.
  • ISO 1833-17: Alternative test method for chlorofibres in cellulose fibre blends using concentrated sulfuric acid.
  • ISO 1833-21: Method using cyclohexanone for mixtures of chlorofibres with modacrylics, elastanes, acetates, and triacetates.

Keywords: EN ISO 1833-13, textile chemical analysis, chlorofibres quantification, carbon disulfide acetone method, fibre composition testing, textile standards, quantitative chemical textile analysis, fibre blend analysis, textile quality control, chemical solvent extraction textiles.

Relations

Effective Date
13-Nov-2017
Effective Date
25-Aug-2026
Effective Date
25-Aug-2026
Effective Date
25-Aug-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
12-Feb-2026

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EN ISO 1833-13:2019

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Frequently Asked Questions

EN ISO 1833-13:2019 is a standard published by the European Committee for Standardization (CEN). Its full title is "Textiles - Quantitative chemical analysis - Part 13: Mixtures of certain chlorofibres with certain other fibres (method using carbon disulfide/acetone) (ISO 1833-13:2019)". This standard covers: This document specifies a method, using carbon disulfide/acetone, to determine the mass percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of — certain chlorofibres, with — wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester, acrylic, melamine, polypropylene, polypropylene/polyamide bicomponent, polyacrylate and glass fibres. It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-17 or ISO 1833-21.

This document specifies a method, using carbon disulfide/acetone, to determine the mass percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of — certain chlorofibres, with — wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester, acrylic, melamine, polypropylene, polypropylene/polyamide bicomponent, polyacrylate and glass fibres. It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-17 or ISO 1833-21.

EN ISO 1833-13:2019 is classified under the following ICS (International Classification for Standards) categories: 59.060.01 - Textile fibres in general; 59.060.20 - Man-made fibres. The ICS classification helps identify the subject area and facilitates finding related standards.

EN ISO 1833-13:2019 has the following relationships with other standards: It is inter standard links to EN ISO 1833-13:2010, ISO 1833-7:2017, ISO 1833-1:2006, ISO 1833-4:2017, EN 14511-4:2022, EN 12158-1:2021, ISO 1833-13:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN ISO 1833-13:2019 is associated with the following European legislation: EU Directives/Regulations: 1007/2011; Standardization Mandates: M/532. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

EN ISO 1833-13:2019 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-december-2019
Nadomešča:
SIST EN ISO 1833-13:2013
Tekstilije - Kvantitativna kemična analiza - 13. del: Mešanica nekaterih klorovlaken
in nekaterih drugih vlaken (metoda z uporabo ogljikovega disulfida/acetona) (ISO
1833-13:2019)
Textiles - Quantitative chemical analysis - Part 13: Mixtures of certain chlorofibres with
certain other fibres (method using carbon disulfide/acetone) (ISO 1833-13:2019)
Textilien - Quantitative chemische Analysen - Teil 13: Mischungen von bestimmten
Chlorfasern mit bestimmten anderen Fasern (Schwefelkohlenstoff-/Aceton-Verfahren)
(ISO 1833-13:2019)
Textiles - Analyse chimique quantitative - Partie 13: Mélanges de certaines chlorofibres
avec certaines autres fibres (méthode au sulfure de carbone/acétone) (ISO 1833-
13:2019)
Ta slovenski standard je istoveten z: EN ISO 1833-13:2019
ICS:
59.060.20 Umetna vlakna Man-made fibres
71.040.40 Kemijska analiza Chemical analysis
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 1833-13
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2019
EUROPÄISCHE NORM
ICS 59.060.01 Supersedes EN ISO 1833-13:2010
English Version
Textiles - Quantitative chemical analysis - Part 13:
Mixtures of certain chlorofibres with certain other fibres
(method using carbon disulfide/acetone) (ISO 1833-
13:2019)
Textiles - Analyse chimique quantitative - Partie 13: Textilien - Quantitative chemische Analysen - Teil 13:
Mélanges de certaines chlorofibres avec certaines Mischungen von bestimmten Chlorfasern mit
autres fibres (méthode au sulfure de carbone/acétone) bestimmten anderen Fasern (Schwefelkohlenstoff-
(ISO 1833-13:2019) /Aceton-Verfahren) (ISO 1833-13:2019)
This European Standard was approved by CEN on 16 May 2019.

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 may 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 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, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1833-13:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 1833-13:2019) has been prepared by Technical Committee ISO/TC 38
"Textiles" in collaboration with 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
identical text or by endorsement, at the latest by April 2020, and conflicting national standards shall be
withdrawn at the latest by April 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 1833-13:2010.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 1833-13:2019 has been approved by CEN as EN ISO 1833-13:2019 without any
modification.
INTERNATIONAL ISO
STANDARD 1833-13
Second edition
2019-10
Textiles — Quantitative chemical
analysis —
Part 13:
Mixtures of certain chlorofibres with
certain other fibres (method using
carbon disulfide/acetone)
Textiles — Analyse chimique quantitative —
Partie 13: Mélanges de certaines chlorofibres avec certaines autres
fibres (méthode au sulfure de carbone/acétone)
Reference number
ISO 1833-13:2019(E)
©
ISO 2019
ISO 1833-13:2019(E)
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
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CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 1833-13:2019(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 2
6 Apparatus . 2
7 Test procedure . 2
8 Calculation and expression of results . 3
9 Precision . 3
Bibliography .
...