Adopts ISO 11476:2016 to specify the procedure to be used for determining the CIE whiteness of papers and boards, in order to obtain values which correspond to the visual appearance of white papers and boards, with or without fluorescent whitening agents, when they are viewed indoors.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and equipment
5.1
5.1.1
5.1.2
5.2
5.2.1
5.2.2
5.3
5.3.1
5.3.2
5.4
6 Calibration
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
7 Sampling and conditioning
8 Preparation of test pieces
9 Procedure
9.1
9.2
9.3
9.4
9.5
10 Calculation and expression of results
10.1
10.2
10.3
10.4
11 Precision
12 Test report
Annex A
A.1 Filter reflectometers
A.2 Abridged spectrophotometers
A.2.1 Procedure for using data without bandpass correction
A.2.2 Procedure for using data with bandpass correction