EN ISO 1833-26:2020

SLOVENSKI STANDARD
01-december-2020
Nadomešča:
SIST EN ISO 1833-26:2013
Tekstilije - Kvantitativna kemična analiza - 26. del: Mešanice melamina z nekaterimi
drugimi vlakni (metoda z uporabo vroče mravljične kisline) (ISO 1833-26:2020)
Textiles - Quantitative chemical analysis - Part 26: Mixtures of melamine with certain
other fibres (method using hot formic acid) (ISO 1833-26:2020)
Textilien - Quantitative chemische Analyse - Teil 26: Mischungen aus Melamin und
Baumwolle oder Aramidfasern (Verfahren mit heißer Ameisensäure) (ISO 1833-26:2020)
Textiles - Analyse chimique quantitative - Partie 26: Mélanges de fibres de mélamine
avec certaines autres fibres (méthode à l’acide formique chaud) (ISO 1833-26:2020)
Ta slovenski standard je istoveten z: EN ISO 1833-26:2020
ICS:
59.060.01 Tekstilna vlakna na splošno Textile fibres in general
71.040.40 Kemijska analiza Chemical analysis
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 1833-26
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2020
EUROPÄISCHE NORM
ICS 59.060.01 Supersedes EN ISO 1833-26:2013
English Version
Textiles - Quantitative chemical analysis - Part 26:
Mixtures of melamine with certain other fibres (method
using hot formic acid) (ISO 1833-26:2020)
Textiles - Analyse chimique quantitative - Partie 26: Textilien - Quantitative chemische Analyse - Teil 26:
Mélanges de fibres de mélamine avec certaines autres Mischungen aus Melamin und Baumwolle oder
fibres (méthode à l'acide formique chaud) (ISO 1833- Aramidfasern (Verfahren mit heißer Ameisensäure)
26:2020) (ISO 1833-26:2020)
This European Standard was approved by CEN on 19 October 2020.

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
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1833-26:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 1833-26:2020) 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 2021, and conflicting national standards shall be
withdrawn at the latest by April 2021.
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 1833-26:2013.
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 1833-26:2020 has been approved by CEN as EN ISO 1833-26:2020 without any
modification.
INTERNATIONAL ISO
STANDARD 1833-26
Second edition
2020-10
Textiles — Quantitative chemical
analysis —
Part 26:
Mixtures of melamine with certain
other fibres (method using hot
formic acid)
Textiles — Analyse chimique quantitative —
Partie 26: Mélanges de fibres de mélamine avec certaines autres fibres
(méthode à l’acide formique chaud)
Reference number
ISO 1833-26:2020(E)
©
ISO 2020
ISO 1833-26:2020(E)
© ISO 2020
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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 1833-26:2020(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 1
5.1 General . 1
6 Apparatus . 2
6.1 General .
...