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BS ISO 5631-1:2015

BS ISO 5631-1:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Paper and board. Determination of colour by diffuse reflectance Indoor daylight conditions (C/2°)

Available format(s)

Hardcopy , PDF

Superseded date

08-31-2022

Language(s)

English

Published date

11-30-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling and conditioning
7 Preparation of test pieces
8 Procedure
9 Calculation
10 Expression of results
11 Precision
12 Test report
Annex A (normative) - Spectral characteristics of
        reflectometers for determining tristimulus values
Bibliography

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

This part of ISO5631 specifies a method for measuring the colour of paper and board by the diffuse reflectance method with the elimination of specular gloss. This part of ISO5631 is not applicable to coloured papers or boards which incorporate fluorescent dyes or pigments. It may be used to determine the colour of papers or boards which contain fluorescent whitening agents provided the UV content of the illumination on the test piece has been adjusted to conform to that in the CIE illuminant C, using a fluorescent reference standard that fulfils the requirements for international fluorescent reference standards of level 3 (IR3)as prescribed by ISO2469 with an assigned ISO brightness value (C/2°) provided by an authorized laboratory, as described in ISO2470‑1 .

Committee
PAI/11
DevelopmentNote
Supersedes BS ISO 5631 & 08/30181295 DC. (07/2010) Supersedes 15/30302582 DC. (11/2015)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 5631-1:2015 Identical

ISO 11664-3:2012 Colorimetry Part 3: CIE tristimulus values
ISO 11664-4:2008 Colorimetry Part 4: CIE 1976 L*a*b* Colour space
ISO 187:1990 Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
ISO 11664-1:2007 Colorimetry Part 1: CIE standard colorimetric observers
ISO 2470-1:2016 Paper, board and pulps Measurement of diffuse blue reflectance factor Part 1: Indoor daylight conditions (ISO brightness)
ISO 186:2002 Paper and board — Sampling to determine average quality
ISO 2469:2014 Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor)
ISO 11664-2:2007 Colorimetry — Part 2: CIE standard illuminants

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Hardcopy - English
PDF - English
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