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BS EN ISO 22700:2019

BS EN ISO 22700:2019

$102.76

Leather. Measuring the colour and colour difference of finished leather

Published By Publication Date Number of Pages
BSI 2019 20
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This document specifies a method for the correct measurement of the colour of finished leather by instrumental means. The document describes general concepts of colour measurement adapted to leather and the calculation of differences in colour.

This document defines the following:

  1. the use of D65 as the standard light source for the leather industry;

  2. the use of D65 light source 10° as standard conditions for colour matching, for the definition of daylight simulators and as the reference light source for metamerism analysis;

  3. the use of CIEDE2000 as the colour difference formula.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
9 5 Apparatus and materials
10 6 Procedure
6.1 Standardization of colour measuring instrument
6.2 Sampling
11 6.3 Measuring procedure
7 Method of calculation
7.1 General
7.2 Tristimulus values
12 7.3 CIE 1976 L*, a*, b*, C*ab and hab
13 7.4 Calculation of the CIEDE2000 total colour difference formula
14 8 Test report
15 Annex A (informative) Background to standard procedure for measuring the colour of finished leather
18 Bibliography

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BS EN ISO 22700:2019
$102.76