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  • BSI
    BS ISO 5631-2:2015 Paper and board. Determination of colour by diffuse reflectance - Outdoor daylight conditions (D65/10°)
    Edition: 2015
    $423.36
    / user per year

Description of BS ISO 5631-2:2015 2015

This part of ISO 5631 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 colourimetric 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 part of ISO 5631 is not applicable to coloured papers or boards that incorporate fluorescent dyes or pigments.



Standard NumberBS ISO 5631-2:2015
TitlePaper and board. Determination of colour by diffuse reflectance - Outdoor daylight conditions (D65/10°)
StatusWithdrawn
Publication Date2015-11-30
Withdrawn Date2022-08-31
ReplacesBS ISO 5631-2:2014
Identical National Standard OfISO 5631-2:2015
DescriptorsMathematical calculations, Reflection factor, Testing conditions, Diffuse reflection, Colour, Test equipment, Optical measurement, External, Paper, Control samples, Board (paper), Natural lighting
ICS85.060 Paper and board
CommitteePAI/11
ISBN978 0 580 87696 7
PublisherBSI
Pages24



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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