Imaging materials —Photographic prints — Effect of light sources on degradation under museum conditions

The test method in this document is intended to be used to characterize and compare the degradation of a set of print materials under exposure to particular light sources, eventually including optical filter combinations, under museum environmental conditions. The document covers typical types of indoor light sources commonly found in a museum including indoor daylight, LED, and incandescent light. This document is applicable to analogue and digital reflection photographic prints. NOTE Examples of photographic prints covered by this document are prints made with digital printing technologies such as inkjet, electrophotography, and thermal dye transfer, as well as prints made on silver halide colour paper but not prints made on black and white silver halide paper.

Matériaux pour l'image — Épreuves photographiques — Effet des sources de lumière sur la dégradation dans des conditions de musée

General Information

Status
Published
Publication Date
07-Nov-2021
Current Stage
9093 - International Standard confirmed
Completion Date
17-Jun-2024
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ISO/TS 18950:2021 - Imaging materials —Photographic prints — Effect of light sources on degradation under museum conditions Released:8. 11. 2021
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Technical specification
ISO/TS 18950:2021 - Imaging materials —Photographic prints -- Effect of light sources on degradation under museum conditions
English language
16 pages
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TECHNICAL ISO/TS
SPECIFICATION 18950
First edition
2021-11
Imaging materials — Photographic
prints — Effect of light sources
on degradation under museum
conditions
Matériaux pour l'image — Épreuves photographiques — Effet des
sources de lumière sur la dégradation dans des conditions de musée
Reference number
ISO/TS 18950:2021(E)
© ISO 2021

---------------------- Page: 1 ----------------------
ISO/TS 18950:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
  © ISO 2021 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 18950:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and abbreviated terms . 1
4 Use profile . 2
4.1 General . 2
4.2 Stress factors in museum use profile . 2
5 Test method . 3
5.1 General . 3
5.2 Sample specimen preparation . 3
5.2.1 Outline . 3
5.2.2 Contemporary materials . 4
5.2.3 Historic materials . 4
5.2.4 Selection of suitable test patches on historic materials . 4
5.2.5 Reference sample specimens . 5
5.2.6 Backing of the specimens . 5
5.2.7 Dummy sample . 5
5.3 Light exposure . 5
5.3.1 Outline .
...

TECHNICAL ISO/TS
SPECIFICATION 18950
First edition
2021-11
Imaging materials — Photographic
prints — Effect of light sources
on degradation under museum
conditions
Matériaux pour l'image — Épreuves photographiques — Effet des
sources de lumière sur la dégradation dans des conditions de musée
Reference number
ISO/TS 18950:2021(E)
© ISO 2021

---------------------- Page: 1 ----------------------
ISO/TS 18950:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
  © ISO 2021 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 18950:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and abbreviated terms . 1
4 Use profile . 2
4.1 General . 2
4.2 Stress factors in museum use profile . 2
5 Test method . 3
5.1 General . 3
5.2 Sample specimen preparation . 3
5.2.1 Outline . 3
5.2.2 Contemporary materials . 4
5.2.3 Historic materials . 4
5.2.4 Selection of suitable test patches on historic materials . 4
5.2.5 Reference sample specimens . 5
5.2.6 Backing of the specimens . 5
5.2.7 Dummy sample . 5
5.3 Light exposure . 5
5.3.1 Outline .
...

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