EN ISO 1833-18:2019

SLOVENSKI STANDARD
01-julij-2019
Nadomešča:
SIST EN ISO 1833-18:2013
Tekstilije - Kvantitativna kemična analiza - 18. del: Mešanica svile z drugimi
proteinskimi vlakni (metoda z uporabo žveplene kisline) (ISO 1833-18:2019)
Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with other protein
fibres (method using sulfuric acid) (ISO 1833-18:2019)
Textilien - Quantitative chemische Analysen - Teil 18: Mischungen aus Seide mit anderen
Proteinfasern (Schwefelsäure-Verfahren) (ISO 1833-18:2019)
Textiles - Analyse chimique quantitative - Partie 18: Mélanges de soie avec d'autres
fibres protéiques (méthode à l'acide sulfurique) (ISO 1833-18:2019)
Ta slovenski standard je istoveten z: EN ISO 1833-18:2019
ICS:
59.060.10 Naravna vlakna Natural fibres
71.040.40 Kemijska analiza Chemical analysis
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 1833-18
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2019
EUROPÄISCHE NORM
ICS 59.060.01 Supersedes EN ISO 1833-18:2010
English Version
Textiles - Quantitative chemical analysis - Part 18:
Mixtures of silk with other protein fibres (method using
sulfuric acid) (ISO 1833-18:2019)
Textiles - Analyse chimique quantitative - Partie 18: Textilien - Quantitative chemische Analysen - Teil 18:
Mélanges de soie avec d'autres fibres protéiques Mischungen aus Seide mit anderen Proteinfasern
(méthode à l'acide sulfurique) (ISO 1833-18:2019) (Schwefelsäure-Verfahren) (ISO 1833-18:2019)
This European Standard was approved by CEN on 11 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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 1833-18:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 1833-18:2019) 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 November 2019, and conflicting national standards
shall be withdrawn at the latest by November 2019.
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 1833-18:2010.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 1833-18:2019 has been approved by CEN as EN ISO 1833-18:2019 without any
modification.
INTERNATIONAL ISO
STANDARD 1833-18
Second edition
2019-04
Textiles — Quantitative chemical
analysis —
Part 18:
Mixtures of silk with other protein
fibres (method using sulfuric acid)
Textiles — Analyse chimique quantitative —
Partie 18: Mélanges de soie avec d'autres fibres protéiques (méthode
à l'acide sulfurique)
Reference number
ISO 1833-18:2019(E)
©
ISO 2019
ISO 1833-18:2019(E)
© ISO 2019
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Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 1833-18:2019(E)
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
7 Test procedure .
...