oSIST prEN ISO 1833-1:2025
(Main)Textiles - Quantitative chemical analysis - Part 1: General principles of testing (ISO/DIS 1833-1:2025)
Textiles - Quantitative chemical analysis - Part 1: General principles of testing (ISO/DIS 1833-1:2025)
This document specifies a common method for the quantitative chemical analysis of various mixtures of fibres. This method and the methods described in the other parts of ISO 1833 are applicable, in general, to fibres in any textile form. Where certain textile forms are excepted, these are listed in the scope of the appropriate part.
Textilien - Quantitative chemische Analysen - Teil 1: Allgemeine Grundlagen der Prüfung (ISO/DIS 1833-1:2025)
Textiles - Analyse chimique quantitative - Partie 1: Principes généraux pour effectuer les essais (ISO/DIS 1833-1:2025)
Le présent document spécifie une méthode commune pour l'analyse chimique quantitative de divers mélanges de fibres. La présente méthode et les méthodes spécifiées dans les autres parties de l'ISO 1833 sont en général applicables aux fibres contenues dans tous types de textiles. Lorsque certains types de textiles sont exclus, ils sont énumérés dans le domaine d'application de la partie appropriée.
Tekstilije - Kvantitativna kemijska analiza - 1. del: Splošna načela preskušanja (ISO/DIS 1833-1:2025)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2025
Tekstilije - Kvantitativna kemijska analiza - 1. del: Splošna načela preskušanja
(ISO/DIS 1833-1:2025)
Textiles - Quantitative chemical analysis - Part 1: General principles of testing (ISO/DIS
1833-1:2025)
Textilien - Quantitative chemische Analysen - Teil 1: Allgemeine Grundlagen der Prüfung
(ISO/DIS 1833-1:2025)
Textiles - Analyse chimique quantitative - Partie 1: Principes généraux pour effectuer les
essais (ISO/DIS 1833-1:2025)
Ta slovenski standard je istoveten z: prEN ISO 1833-1
ICS:
59.080.01 Tekstilije na splošno Textiles in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
International
Standard
ISO/DIS 1833-1
ISO/TC 38
Textiles — Quantitative chemical
Secretariat: JISC
analysis —
Voting begins on:
Part 1: 2025-09-16
General principles of testing
Voting terminates on:
2025-12-09
Textiles — Analyse chimique quantitative —
Partie 1: Principes généraux des essais
ICS: 59.060.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
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This document has not been edited by the ISO Central Secretariat.
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Reference number
ISO/DIS 1833-1:2025(en)
DRAFT
ISO/DIS 1833-1:2025(en)
International
Standard
ISO/DIS 1833-1
ISO/TC 38
Textiles — Quantitative chemical
Secretariat: JISC
analysis —
Voting begins on:
Part 1:
General principles of testing
Voting terminates on:
Textiles — Analyse chimique quantitative —
Partie 1: Principes généraux des essais
ICS: 59.060.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document has not been edited by the ISO Central Secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
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Published in Switzerland Reference number
ISO/DIS 1833-1:2025(en)
ii
ISO/DIS 1833-1:2025(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 2
6 Apparatus . 2
7 Conditioning and testing atmosphere. 2
8 Sampling and pre-treatment of laboratory test sample . 2
8.1 Sampling .2
8.2 Pre-treatment of laboratory test sample .2
9 Procedure . 3
9.1 General instructions .3
9.1.1 Handling .3
9.1.2 Drying .3
9.1.3 Drying of test specimens.3
9.1.4 Drying of crucible and residue .3
9.1.5 Cooling .3
9.1.6 Weighing .3
9.2 Testing execution .3
10 Calculation and Expression of results . 4
11 Precision of the methods . 5
12 Test report . 5
Annex A (normative) Methods for the removal of non-fibrous matter . 6
Annex B (normative) Method of quantitative analysis by manual separation .15
Annex C (normative) General calculation of the mass percentage of each component .18
Annex D (informative) Examples of ternary component fibre mixtures .22
Annex E (informative) Examples of four component fibre mixtures .26
Annex F (informative) Examples of five component fibre mixtures .32
Annex G (informative) Examples of six component fibre mixtures .35
Bibliography .38
iii
ISO/DIS 1833-1:2025(en)
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 technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be 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.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent
rights identified during the development of the document will be in the Introduction and/or on the ISO list of
patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 38, Textiles, in collaboration with the European
Committee for Standardization (CEN] Technical Committee CEN/TC 248, Textiles and textile products, in
accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This third edition cancels and replaces the second edition (ISO 1833-1:2020), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— Annex C for general calculation of the mass percentage of each component has been added.
— Annex D, Annex E, Annex F and Annex G have been added for examples of ternary fibre mixtures, four
component fibre mixtures, five component fibre mixtures, and six component fibre mixtures, respectively.
A list of all parts in the ISO 1833 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
ISO/DIS 1833-1:2025(en)
Introduction
Methods for the quantitative analysis of fibre mixtures are based on two main processes, the manual
separation and the chemical separation of fibres.
It is preferable to use the method of manual separation, which is given in Annex B, whenever possible since
it generally gives more accurate results than the chemical method. It can be used for all textiles whose
component fibres do not form an intimate mixture, for example in the case of yarns composed of several
elements each of which is made up of only one type of fibre, or woven fabrics in which the fibre of the warp
is of a different kind to that of the weft, or knitted fabrics capable of being unravelled made up of yarns of
different types.
In general, the methods described in the different parts of ISO 1833 are based on the selective dissolution
of an individual component. After the removal of a component, the insoluble residue is weighed, and the
proportion of soluble component is calculated from the loss in mass. This document gives the information
which is common to the analyses, by this method, of all fibre mixtures, whatever their composition. This
information is intended to be used in conjunction with the other par
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