Tissue paper and tissue products - Part 16: Determination of optical properties - Diffuse reflectance method for opacity (paper backing) (ISO 12625-16:2024)

ISO 12625-16:2015 specifies the testing procedures for the instrumental determination of the opacity of tissue paper or tissue products by diffuse reflectance using a paper backing.
ISO 12625-16:2015 contains specific instructions for the preparation of test pieces of single-ply and multi-ply products, where special preparation/procedures might be necessary.
It can be used to determine the opacity of tissue paper and tissue products containing fluorescent whitening agents, provided the UV content of the radiation incident on the test piece has been adjusted to conform to that in the CIE illuminant C using a fluorescent reference standard provided by an authorized laboratory as described in ISO 2470-1.
ISO 12625-16:2015 is not applicable to coloured tissue paper and tissue products which incorporate fluorescent dyes or pigments.

Tissue-Papier und Tissue-Produkte - Teil 16: Bestimmung der optischen Eigenschaften - Opazität über Papierstapel - Diffuser Reflexionsfaktor (ISO 12625-16:2024)

Dieses Dokument legt die Prüfverfahren für die instrumentelle Bestimmung der Opazität von Tissue-Papier und Tissue-Produkten mittels diffuser Reflexion unter Verwendung von Papierstapeln fest.
Dieses Dokument gibt spezifische Anweisungen für die Vorbereitung von Proben aus einlagigen und mehrlagigen Produkten, bei denen besondere Vorbereitung/Verfahren notwendig sein könnten.
Die Opazität von Tissue-Papier und Tissue-Produkten, die optischen Aufheller enthalten, kann ebenfalls bestimmt werden, falls der UV Anteil der Probenbeleuchtung wie in ISO 2470 1 beschrieben mit einem fluoreszierenden Referenzstandard, der von einem autorisierten Laboratorium bezogen wurde, auf die CIE Lichtart C eingestellt ist.

Papier tissue et produits tissue - Partie 16: Détermination des propriétés optiques - Méthode par réflectance diffuse de l'opacité sur fond papier (ISO 12625-16:2024)

L'ISO 12625-16:2015 spécifie les procédures d'essai pour la détermination instrumentale de l'opacité des papiers tissue ou des produits tissue, par réflexion en lumière diffuse, en utilisant un fond papier.
Elle contient également des instructions spécifiques pour la préparation des éprouvettes des produits à pli unique et produits multiplis, lorsque des préparations/procédures spécifiques peuvent se révéler nécessaires.
Elle peut être utilisée pour déterminer l'opacité de papiers tissue ou de produits tissue contenant des agents d'azurage fluorescents, à condition que la teneur en UV du rayonnement incident sur l'éprouvette ait été ajustée pour être rendue conforme à celle de l'illuminant C de la CIE, à l'aide d'un étalon de référence fluorescent fourni par un laboratoire agréé, tel que décrit dans l'ISO 2470-1.
L'ISO 12625-16:2015 ne s'applique pas aux papiers tissue et produits tissue colorés, comprenant des colorants ou des pigments fluorescents.

Tissue (svileni) papir in proizvodi iz tissue papirja - 16. del: Ugotavljanje optičnih lastnosti - Metoda razpršene odsevnosti za opaciteto (papirna podlaga) (ISO 12625-16:2024)

General Information

Status
Published
Public Enquiry End Date
01-Aug-2023
Publication Date
23-May-2024
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
23-May-2024
Due Date
28-Jul-2024
Completion Date
24-May-2024

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SLOVENSKI STANDARD
SIST EN ISO 12625-16:2024
01-julij-2024
Tissue (svileni) papir in proizvodi iz tissue papirja - 16. del: Ugotavljanje optičnih
lastnosti - Metoda razpršene odsevnosti za opaciteto (papirna podlaga) (ISO 12625
-16:2024)
Tissue paper and tissue products - Part 16: Determination of optical properties - Diffuse
reflectance method for opacity (paper backing) (ISO 12625-16:2024)
Tissue-Papier und Tissue-Produkte - Teil 16: Bestimmung der optischen Eigenschaften -
Opazität über Papierstapel - Diffuser Reflexionsfaktor (ISO 12625-16:2024)
Papier tissue et produits tissue - Partie 16: Détermination des propriétés optiques -
Méthode par réflectance diffuse de l'opacité sur fond papier (ISO 12625-16:2024)
Ta slovenski standard je istoveten z: EN ISO 12625-16:2024
ICS:
85.080.20 Tissue papir Tissue paper
SIST EN ISO 12625-16:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12625-16:2024

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SIST EN ISO 12625-16:2024


EN ISO 12625-16
EUROPEAN STANDARD

NORME EUROPÉENNE

May 2024
EUROPÄISCHE NORM
ICS 85.080.20 Supersedes EN ISO 12625-16:2015
English Version

Tissue paper and tissue products - Part 16: Determination
of optical properties - Diffuse reflectance method for
opacity (paper backing) (ISO 12625-16:2024)
Papier tissue et produits tissue - Partie 16: Tissue-Papier und Tissue-Produkte - Teil 16:
Détermination des propriétés optiques - Méthode par Bestimmung der optischen Eigenschaften - Opazität
réflectance diffuse de l'opacité sur fond papier (ISO über Papierstapel - Diffuser Reflexionsfaktor (ISO
12625-16:2024) 12625-16:2024)
This European Standard was approved by CEN on 4 May 2024.

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, Türkiye 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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12625-16:2024 E
worldwide for CEN national Members.

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SIST EN ISO 12625-16:2024
EN ISO 12625-16:2024 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 12625-16:2024
EN ISO 12625-16:2024 (E)
European foreword
This document (EN ISO 12625-16:2024) has been prepared by Technical Committee ISO/TC 6 "Paper,
board and pulps" in collaboration with Technical Committee CEN/TC 172 “Pulp, paper and board” the
secretariat of which is held by DIN.
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 2024, and conflicting national standards
shall be withdrawn at the latest by November 2024.
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 12625-16:2015.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, Norwa
...

SLOVENSKI STANDARD
oSIST prEN ISO 12625-16:2023
01-julij-2023
Tissue papir in proizvodi iz tissue papirja - 16. del: Ugotavljanje optičnih lastnosti -
Opaciteta (papirna podlaga) - Metoda razpršene odsevnosti (ISO/DIS 12625-
16:2023)
Tissue paper and tissue products - Part 16: Determination of optical properties - Opacity
(paper backing) - Diffuse reflectance method (ISO/DIS 12625-16:2023)
Tissue-Papier und Tissue-Produkte - Teil 16: Bestimmung der optischen Eigenschaften -
Opazität über Papierstapel - Diffuser Reflexionsfaktor (ISO/DIS 12625-16:2023)
Papier tissue et produits tissue - Partie 16: Détermination des propriétés optiques -
Opacité sur fond papier - Méthode par réflectance diffuse (ISO/DIS 12625-16:2023)
Ta slovenski standard je istoveten z: prEN ISO 12625-16
ICS:
85.080.20 Tissue papir Tissue paper
oSIST prEN ISO 12625-16:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 12625-16:2023

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oSIST prEN ISO 12625-16:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 12625-16
ISO/TC 6/SC 2 Secretariat: SIS
Voting begins on: Voting terminates on:
2023-05-24 2023-08-16
Tissue paper and tissue products —
Part 16:
Determination of optical properties — Opacity (paper
backing) — Diffuse reflectance method
Papier tissue et produits tissue —
Partie 16: Détermination des propriétés optiques — Opacité sur fond papier — Méthode par réflexion en
lumière diffuse
ICS: 85.080.20
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 12625-16:2023(E)
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. © ISO 2023

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oSIST prEN ISO 12625-16:2023

DRAFT INTERNATIONAL STANDARD
ISO/DIS 12625-16
ISO/TC 6/SC 2 Secretariat: SIS
Voting begins on: Voting terminates on:

Tissue paper and tissue products —
Part 16:
Determination of optical properties — Opacity (paper
backing) — Diffuse reflectance method
Papier tissue et produits tissue —
Partie 16: Détermination des propriétés optiques — Opacité sur fond papier — Méthode par réflexion en
lumière diffuse
ICS: 85.080.20
This document is circulated as received from the committee secretariat.
COPYRIGHT PROTECTED DOCUMENT
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
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CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: +41 22 749 01 11
WHICH REFERENCE MAY BE MADE IN
Reference number
Email: copyright@iso.org
NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 12625-16:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
  © ISO 2023 – All rights reserved
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

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oSIST prEN ISO 12625-16:2023
ISO/DIS 12625-16:2023(E)
Contents Page
Foreword .iv
Introduction .
...

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