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BSI 22/30440207 DC 2022

$13.70

BS ISO 12625-15. Tissue paper and tissue products – Part 15. Determination of optical properties. Measurement of brightness and colour with C/2° (indoor daylight) illuminant

Published By Publication Date Number of Pages
BSI 2022 18
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Principle
5 Apparatus
5.1 Reflectometer or spectrophotometer
5.2 Reference standard for calibration of the instrument
12 5.3 Working standards
6 Calibration
7 Sampling
13 8 Conditioning
9 Preparation of test pieces
10 Procedure
10.1 General
10.2 Measurement of ISO brightness
14 10.3 Measurement of (C/2°) colour
11 Calculation
11.1 ISO brightness
11.2 C/2° Colour
11.2.1 Single values
11.2.2 Mean value
15 11.2.3 Dispersion of the results
12 Test report
16 Annex A (informative) Precision
18 Bibliography
BSI 22/30440207 DC 2022
$13.70