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BS ISO 18941:2020

BS ISO 18941:2020

$142.49

Imaging materials. Colour reflection prints. Test method for ozone gas fading stability

Published By Publication Date Number of Pages
BSI 2020 30
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This document describes the equipment, methods and procedures for generating a known ozone exposure and the subsequent measurement and quantification of the amount of change produced within both digitally printed hardcopy images and traditional analogue photographic colour print images due to that exposure.

The test method described in this document uses increased levels of ozone to achieve an accelerated test. If the principal “gas fading” mechanism for a system is not ozone, this method might not be suitable and might give misleading results as to resistance of the test image to polluted air.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Requirements
5 Sample preparation
5.1 Target selection
5.2 Use of replicates and reference samples
6 Holding and measurement conditions
13 7 Test methods — Gas fading (ozone)
7.1 General
7.2 Apparatus
7.2.1 Ozone test device
17 7.2.2 Source of ozonized air
18 7.2.3 Means for adjusting, controlling and maintaining ozone concentration
19 7.2.4 Means of determining the ozone concentration
7.2.5 Means of controlling gas flow
20 7.2.6 Test piece carrier
21 7.3 Test procedure
22 8 Test environment conditions
8.1 Humidity control calibration
8.2 Relative humidity
8.3 Temperature
8.4 Ozone concentration
23 9 Test report
9.1 General reporting requirements
9.2 Ozone test reporting
25 Annex A (normative) Reciprocity considerations
27 Bibliography

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BS ISO 18941:2020
$142.49