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BS EN ISO 18314-2:2018

$142.49

Analytical colorimetry – Saunderson correction, solutions of the Kubelka-Munk equation, tinting strength, hiding power

Published By Publication Date Number of Pages
BSI 2018 24
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ISO 18314-2:2015 specifies the Saunderson correction for different measurement geometries and the solutions of the Kubelka-Munk equation for hiding and transparent layers. It also specifies methods for the calculations of the tinting strength including the residual colour difference with different criteria and of the hiding power. The procedures for preparing the samples for these measurements are not part of this part of ISO 18314. They are agreed between the contracting parties or are described in other national or International Standards.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Terms, definitions, symbols, and abbreviated terms
2.1 Terms and definitions
8 2.2 Symbols and abbreviated terms
10 3 Saunderson correction
3.1 General
3.2 Incidence diffuse, observation 0° (d/0°)
3.3 Incidence 45°, observation 0° (45°: 0°)
11 4 Solution of the Kubelka-Munk equations
12 5 Determination of relative tinting strength and residual colour difference of coloured pigments
5.1 General
5.2 Principle
5.3 Procedure
5.3.1 General
5.3.2 Evaluation of absorption at the absorption maximum
13 5.3.3 Evaluation of the weighted K/S sum
14 5.3.4 Evaluation by equalizing the tristimulus value, Y
5.3.5 Evaluation by equalizing the smallest of the tristimulus values X, Y, and Z
15 5.3.6 Evaluation by equalizing the shade depth
16 6 Determination of hiding power of pigmented media
6.1 General
17 6.2 Example for white or light coloured paints with a contrast ratio of 0,98 as hiding power criterion
18 7 Repeatability and reproducibility
8 Test report
19 Annex A (normative) Tables of coefficients for calculating a(φ) values (standard illuminant D65 and 10° standard observer)
21 Annex B (normative) Tables of coefficients for calculating a(φ) values (standard illuminant C and 2° standard observer)
23 Bibliography
BS EN ISO 18314-2:2018
$142.49