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ISO/TR 10688:2015 Paper, board and pulps - Basic terms and equations for optical properties >
ISO/TR 10688:2015 Paper, board and pulps - Basic terms and equations for optical properties, 2015
- Foreword
- Introduction
- 1 Scope
- 2 Terms and definitions
- 2.1 Brightness
- 3 Calculations
- 3.1 Colour appearance, tristimulus values
- 3.2 Reflectance factor, Y-value, opacity, transmittance
- 3.2.1 Reflectance factor, R
- 3.2.2 Luminous reflectance factor, Ry
- 3.2.3 Y-value (C/2°)
- 3.2.4 Opacity
- 3.2.5 Transmittance from luminous reflectance factor measurements
- 3.3 Brightness
- 3.4 Light-scattering and light-absorption coefficients
- 3.4.1 Conditions for the Kubelka-Munk theory
- 3.4.2 Calculations of s and k
- 3.5 Chromaticity coordinates
- 3.6 Dominant wavelength, 
- 3.7 CIELAB colour space coordinates
- 3.8 Colour differences in CIELAB colour space, 
- 3.9 CIE-whiteness and Tint
- 3.9.1 CIE tint, 
- 3.9.2 CIE-whiteness, W
- 3.10 Fluorescence component
- 3.11 Metamerism index
- 3.12 Yellowness index
- Bibliography [Go to Page]