NF ISO 2471

NF ISO 2471

February 2009
Standard Current

Paper and board - Determination of opacity (paper backing) - Diffuse reflectance method

ISO 2471:2008 specifies a method for the determination of the opacity (paper backing) of paper by diffuse reflectance. It can be used to determine the opacity of papers or boards which contain 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 ISO/TC 6 Authorized Laboratory as described in ISO 2470-1. ISO 2471:2008 is not applicable to coloured papers or boards which incorporate fluorescent dyes or pigments.

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Main informations

Collections

National standards and national normative documents

Publication date

February 2009

Number of pages

14 p.

Reference

NF ISO 2471

ICS Codes

85.060   Paper and board

Classification index

Q03-040

Print number

1 - 05/02/2009

International kinship

ISO 2471:2008
Sumary
Paper and board - Determination of opacity (paper backing) - Diffuse reflectance method

ISO 2471:2008 specifies a method for the determination of the opacity (paper backing) of paper by diffuse reflectance.

It can be used to determine the opacity of papers or boards which contain 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 ISO/TC 6 Authorized Laboratory as described in ISO 2470-1.

ISO 2471:2008 is not applicable to coloured papers or boards which incorporate fluorescent dyes or pigments.

Replaced standards (1)
NF ISO 2471
December 1998
Standard Cancelled
Paper and board. Determination of opacity (paper backing). Diffuse reflectance method.

Le présent document définit une méthode de détermination de l'opacité sur fond papier par réflexion en lumière diffuse des papiers et cartons blancs ou presque blancs.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Principe
    2
  • 5 Appareillage
    2
  • 6 Échantillonnage et conditionnement
    3
  • 7 Préparation des éprouvettes
    3
  • 8 Mode opératoire
    4
  • 9 Expression des résultats
    4
  • 10 Fidélité
    4
  • 11 Rapport d'essai
    5
  • Annexe A (normative) Caractéristiques spectrales des réflectomètres pour le mesurage du facteur de luminance
    6
  • Bibliographie
    8
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