prEN ISO 21084
(Main)Textiles - Method for determination of alkylphenols (AP) (ISO/DIS 21084:2026)
Textiles - Method for determination of alkylphenols (AP) (ISO/DIS 21084:2026)
This document specifies the method for the determination of extractable alkylphenols (AP) without derivatization step in textile and textile products.
Textilien - Verfahren zur Bestimmung von Alkylphenolen (AP) (ISO/DIS 21084:2026)
Textiles - Méthode de détermination de la teneur en alkylphénols (AP) (ISO/DIS 21084:2026)
Le présent document spécifie la méthode de détermination de la teneur en alkylphénols (AP) extractibles sans étape de dérivation, dans les produits textiles et les produits connexes.
Tekstilije - Metoda za ugotavljanje alkilfenolov (AP) (ISO/DIS 21084:2026)
General Information
- Status
- Not Published
- Publication Date
- 06-Sep-2027
- Technical Committee
- CEN/TC 248 - Textiles and textile products
- Drafting Committee
- CEN/TC 248/WG 26 - Methods of test for phthalates
- Current Stage
- 4060 - Closure of enquiry - Enquiry
- Start Date
- 27-Apr-2026
- Completion Date
- 27-Apr-2026
Relations
- Revises
EN ISO 21084:2019 - Textiles - Method for determination of alkylphenols (AP) (ISO 21084:2019) - Effective Date
- 26-Feb-2025
Overview
prEN ISO 21084:2026 - "Textiles – Method for determination of alkylphenols (AP)" - establishes a standardized procedure for identifying and quantifying extractable alkylphenols in textiles and textile products without requiring a derivatization step. Developed by CEN in collaboration with ISO (as ISO/DIS 21084:2026), this draft international standard supports the textile sector in ensuring product safety and regulatory conformity, particularly concerning the presence of hazardous chemicals such as alkylphenols.
Alkylphenols (AP), including octylphenols and nonylphenols, are substances of ecological and health concern often targeted by environmental regulations and restricted substances lists. This standard ensures reliable, repeatable identification of these compounds to support quality control, environmental compliance, and consumer safety.
Key Topics
Scope and Purpose
- Measurement of extractable alkylphenols in textiles and textile products
- Excludes the need for chemical derivatization, streamlining laboratory work
Analytical Techniques
- Extraction of APs using methanol and ultrasonic water bath
- Quantitative and qualitative analysis using:
- Gas Chromatography-Mass Spectrometry (GC-MS)
- Liquid Chromatography-Mass Spectrometry (LC-MS)
- Liquid Chromatography-Fluorescence Detector (LC-FLD)
- Confirmation of results, especially for GC-MS, recommended by cross-validation with liquid chromatography
Sample Preparation and Calculation
- Procedures for accurate sampling, weighing, extraction, filtration, and analysis
- Calibration and calculation methods for determining AP concentration in mg/kg
- Guidelines for reporting results, specifying both nonylphenols and octylphenols individually
Reliability and Reproducibility
- Interlaboratory test data support repeatability and reliability for various sample types
- Methods and calibration suitable for laboratory use and adaptation
Applications
Quality Assurance and Regulatory Compliance
- Ensures textile products meet market requirements and regulatory limits for alkylphenols
- Supports manufacturers, importers, and exporters in demonstrating compliance with REACH, ZDHC, and similar environmental or chemical safety legislation
Environmental and Consumer Safety
- Enables textile producers and laboratories to identify and reduce risk of toxic substance release into the environment
- Improves consumer trust through transparent chemical management and reporting
Research and Product Development
- Provides textile researchers and product developers with reliable, harmonized methodologies for chemical assessment
- Facilitates continual improvement in product safety and sustainability
Laboratory Standardization
- Allows testing laboratories to align practices with international standards, ensuring comparability and acceptance of results across borders
Related Standards
- ISO/IEC 17025 – General requirements for the competence of testing and calibration laboratories
- ISO 1833 Series – Quantitative chemical analysis of textile fiber mixtures
- ISO 14184 – Determination of formaldehyde in textiles
- ZDHC MRSL (Zero Discharge of Hazardous Chemicals, Manufacturing Restricted Substances List) – Voluntary guideline for restricted chemicals
- REACH Regulation (EC 1907/2006) – EU regulation concerning the registration, evaluation, authorisation, and restriction of chemicals
By implementing prEN ISO 21084:2026, organizations in the textile supply chain strengthen product stewardship, regulatory conformity, and customer confidence through rigorous, standardized alkylphenol analysis. This standard is essential for sustainable textiles, chemical safety, and meeting growing demands for responsible manufacturing.
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Frequently Asked Questions
prEN ISO 21084 is a draft published by the European Committee for Standardization (CEN). Its full title is "Textiles - Method for determination of alkylphenols (AP) (ISO/DIS 21084:2026)". This standard covers: This document specifies the method for the determination of extractable alkylphenols (AP) without derivatization step in textile and textile products.
This document specifies the method for the determination of extractable alkylphenols (AP) without derivatization step in textile and textile products.
prEN ISO 21084 is classified under the following ICS (International Classification for Standards) categories: 59.060.01 - Textile fibres in general. The ICS classification helps identify the subject area and facilitates finding related standards.
prEN ISO 21084 has the following relationships with other standards: It is inter standard links to EN ISO 21084:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
prEN ISO 21084 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-april-2026
Tekstilije - Metoda za ugotavljanje alkilfenolov (AP) (ISO/DIS 21084:2026)
Textiles - Method for determination of alkylphenols (AP) (ISO/DIS 21084:2026)
Textilien - Verfahren zur Bestimmung von Alkylphenolen (AP) (ISO/DIS 21084:2026)
Textiles - Méthode de détermination de la teneur en alkylphénols (AP) (ISO/DIS
21084:2026)
Ta slovenski standard je istoveten z: prEN ISO 21084
ICS:
59.060.01 Tekstilna vlakna na splošno Textile fibres in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
International
Standard
ISO/DIS 21084
ISO/TC 38
Textiles — Method for
Secretariat: JISC
determination of alkylphenols (AP)
Voting begins on:
Textiles — Méthode de détermination de la teneur en
2026-02-02
alkylphénols (AP)
Voting terminates on:
ICS: 59.060.01 2026-04-27
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 is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 21084:2026(en)
DRAFT
ISO/DIS 21084:2026(en)
International
Standard
ISO/DIS 21084
ISO/TC 38
Textiles — Method for
Secretariat: JISC
determination of alkylphenols (AP)
Voting begins on:
Textiles — Méthode de détermination de la teneur en
alkylphénols (AP)
Voting terminates on:
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 is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2026
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
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: +41 22 749 01 11
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 21084:2026(en)
ii
ISO/DIS 21084:2026(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 1
6 Apparatus . 2
6.1 General .2
6.2 Apparatus and auxiliaries for preparing the sample .2
6.3 Chromatographic equipment .2
7 Procedure . 2
7.1 Standard preparation .2
7.2 Sample preparation .2
7.3 Sample extraction .2
7.4 Sample analysis . .3
8 Calculation and calibration . 3
8.1 Calibration curve .3
8.2 External calibration .3
8.3 Calculation of each AP in sample .3
8.4 Reliability of the method .4
9 Test report . 4
Annex A (informative) Examples of chromatographic condition — GC-MS/MS . 5
Annex B (informative) Examples of chromatographic condition — LC-MS/MS and LC-FLD . 8
Annex C (informative) Reliability of the method . 10
iii
ISO/DIS 21084:2026(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 on 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 the following URL:
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 38, Textiles.
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
DRAFT International Standard ISO/DIS 21084:2026(en)
Textiles — Method for determination of alkylphenols (AP)
WARNING — This document calls for the use of substances/procedures that may be injurious to the
health/environment if appropriate conditions are not observed. It refers only to technical suitability
and does not absolve the user from legal obligations relating to health and safety/environment at
any stage.
1 Scope
This document specifies the method for the determination of extractable alkylphenols (AP) without
derivatization step in textile and textile products.
2 Normative references
There are n
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