ISO 12625-16:2024

Norme
internationale
ISO 12625-16
Deuxième édition
Papier tissue et produits tissue —
2024-05
Partie 16:
Détermination des propriétés
optiques — Méthode par réflectance
diffuse de l'opacité sur fond papier
Tissue paper and tissue products —
Part 16: Determination of optical properties — Diffuse
reflectance method for opacity (paper backing)
Numéro de référence
ISO 12625-16:2024(fr) © ISO 2024

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ISO 12625-16:2024(fr)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2024
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse

© ISO 2024 – Tous droits réservés
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ISO 12625-16:2024(fr)
Sommaire Page
Avant-propos .iv
Introduction .v
1 Domaine d’application . 1
2 Références normatives . 1
3 Termes et définitions . 1
4 Principe. 3
5 Appareillage . 3
5.1 Réflectomètre .3
5.2 Étalons de référence .3
5.3 Étalons de travail .3
5.4 Corps noir .3
6 Échantillonnage . 4
7 Conditionnement . 4
8 Préparation des éprouvettes . 4
9 Mode opératoire . 4
10 Calculs . 5
11 Rapport d’essai .
...

FINAL DRAFT
International
Standard
ISO/FDIS 12625-16
ISO/TC 6/SC 2
Tissue paper and tissue products —
Secretariat: SIS
Part 16:
Voting begins on:
2024-02-07
Determination of optical properties
— Diffuse reflectance method for
Voting terminates on:
2024-04-03
opacity (paper backing)
Papier tissue et produits tissue —
Partie 16: Détermination des propriétés optiques — Méthode par
réflectance diffuse de l'opacité sur fond papier
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 SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 12625-16:2024(en) © ISO 2024

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FINAL DRAFT
ISO/FDIS 12625-16:2024(en)
International
Standard
ISO/FDIS 12625-16
ISO/TC 6/SC 2
Tissue paper and tissue products —
Secretariat: SIS
Part 16:
Voting begins on:
Determination of optical properties
— Diffuse reflectance method for
Voting terminates on:
opacity (paper backing)
Papier tissue et produits tissue —
Partie 16: Détermination des propriétés optiques — Méthode par
réflectance diffuse de l'opacité sur fond papier
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
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 Reference number
ISO/FDIS 12625-16:2024(en) © ISO 2024

© ISO 2024 – All rights reserved
ii

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ISO/FDIS 12625-16:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 3
5.1 Reflectometer .3
5.2 Reference standards .3
5.3 Working standards .
...

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ISO/FDIS 12625-16:2023(E)
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ISO/TC 6/SC 2
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Secretariat: SIS .
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Date: 2023-12-022024-xx
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Tissue paper and tissue products —
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Part 16:
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Determination of optical properties — Opacity (paper backing) —
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Diffuse reflectance method for opacity (paper backing)
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Partie 16: Détermination des propriétés optiques — Méthode par réflectance diffuse de l'opacité sur fond papier
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ISO/FDIS 12625-16:2023(E2024(en) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: Font: Bold
© ISO 20232024
Formatted: HeaderCentered
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication Formatted: Right: 1.5 cm, Bottom: 1 cm, Gutter: 0 cm,
may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, Header distance from edge: 1.27 cm, Footer distance
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO from edge: 0.5 cm
at the address below or ISO’s member body in the country of the requester.
Commented [eXtyles1]: The reference is to a withdrawn
standard which has been replaced
ISO copyright office

CP 401 • Ch. de Blandonnet 8 ISO 20344, Personal protective equipment — Test methods
for footwear
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Formatted: Default Paragraph Font
EmailE-mail: copyright@iso.org
Formatted: French (France)
Website: www.iso.orgwww.iso.org
Formatted: French (France)
Published in Switzerland
Formatted: French (France)
Formatted: FooterPageRomanNumber
ii © ISO 2023 – All rights reserved
© ISO 2024 – All rights reserved

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ISO/FDIS 12625-16:2023(E2024(en) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: Font: Bold
Contents
Formatted: HeaderCentered, Left
Foreword . v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Principle . 3
5 Apparatus . 3
5.1 Reflectometer . 3
5.2 Reference standards . 4
5.3 Working standards . 4
5
...