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BS EN ISO 12625-15:2022

BS EN ISO 12625-15:2022

$102.76

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

Published By Publication Date Number of Pages
BSI 2022 20
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This document specifies testing procedures for the instrumental determination of brightness and colour of tissue paper and tissue products viewed in indoor daylight conditions. It also gives specific instructions for the preparation of test pieces (single-ply, multi-ply products) and for the optical measurements of products, where special precautions can be necessary. NOTE      The properties called D65 brightness and colour are measured with an instrument adjusted to a much higher UV content than that specified in this document.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Principle
5 Apparatus
12 6 Calibration
7 Sampling
13 8 Conditioning
9 Preparation of test pieces
10 Procedure
10.1 General
10.2 Measurement of ISO brightness
10.3 Measurement of colour (C/2°)
14 11 Calculation
11.1 ISO brightness
11.2 Colour C/2°
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

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BS EN ISO 12625-15:2022
$102.76