BS ISO 18936:2020

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Imaging materials. Processed colour photographs. Methods for measuring thermal stability

Published By	Publication Date	Number of Pages
BSI	2020	24

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Categories: 37.040.20 - Photographic paper, films and plates. Cartridges, BSI

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Description

This document describes test methods for determining the long-term dark storage stability of colour photographic images.

It is applicable to colour photographic images made with traditional photographic materials. These images are generated with systems such as chromogenic, silver dye-bleach, dye transfer, dye-diffusion-transfer “instant”, and similar systems. The test method specified in this document also covers the dark-stability of digital colour images produced with dry- and liquid-toner electrophotography, thermal dye transfer (sometimes called “dye sublimation”), and inkjet printing systems.

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PDF Pages	PDF Title
2	undefined
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Requirements 5 Sample preparation 5.1 Target selection
11	5.2 Use of replicates and reference samples 6 Holding and measurement conditions
12	7 Test methods — Thermal stability 7.1 General 7.1.1 “Free hanging” versus “sealed bag” methods
13	7.1.2 Humidity effects 7.1.3 Testing of low glass transition temperature products 7.1.4 Concerns around the effects of atmospheric pollutants
14	7.2 Test methods and equipment 7.2.1 Temperature 7.2.2 Relative humidity
15	7.2.3 Number of specimens 7.2.4 Free hanging method at constant relative humidity
16	7.2.5 Sealed bag method (constant moisture content) 7.3 Computation of dark stability 8 Test report 8.1 General reporting requirements
17	8.2 Test reporting
18	Annex A (informative) Illustration of Arrhenius calculation for dark stability
21	Bibliography

Additional information

Status	Definitive
Pages	24
Publication Date	2020-08-21
ISBN	978 0 539 05097 4
Standard Number	BS ISO 18936:2020
Title	Imaging materials. Processed colour photographs. Methods for measuring thermal stability
Identical National Standard Of	ISO 18936
Replaces	BS ISO 18936:2012
Descriptors	Photographic film, Photographic images, Chemical analysis and testing, Humidity, Compositional tolerances, Photographic paper, Photography, Photographic materials, Chemical composition, Silver organic compounds, Colour, Thermal stability, Stability, Optical measurement, Physical testing, Thermal properties of materials
Publisher	BSI
Committee	CPW/42
ICS Codes	37.040.20 - Photographic paper, films and plates. Cartridges

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BS ISO 18936:2020

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