Reference number
ISO 5631-2:2022
International Standard
ISO 5631-2:2022
Paper and board — Determination of colour by diffuse reflectance — Part 2: Outdoor daylight conditions (D65/10°)
Edition 4
2022-07
Preview
ISO 5631-2:2022
83367
No disponible en español
Publicado (Edición 4, 2022)

ISO 5631-2:2022

ISO 5631-2:2022
83367
Idioma
Formato
CHF 63
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Resumen

This document specifies a method for measuring the colour of paper and board by the diffuse reflectance method with the elimination of specular gloss.

It can be used to determine the colour of papers or boards that contain fluorescent whitening agents, provided the UV content of the illumination on the test piece has been previously adjusted to give the calibrated colorimetric value corresponding to CIE standard illuminant D65, using a fluorescent reference standard with an assigned CIE whiteness (D65/10°) value provided by an authorized laboratory, as described in ISO 11475.

This document is not applicable to coloured papers or boards that incorporate fluorescent dyes or pigments.

Informaciones generales

  •  : Publicado
     : 2022-07
    : Norma Internacional publicada [60.60]
  •  : 4
     : 12
  • ISO/TC 6
    85.060 
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