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BS EN 17891:2023

BS EN 17891:2023

$142.49

Conservation of cultural heritage. Desalination of porous inorganic materials by poultices

Published By Publication Date Number of Pages
BSI 2023 32
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PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 Introduction
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Symbols and abbreviations
10 5 Principles of poultices desalination
5.1 General
11 5.2 Advection-based poulticing methods
5.3 Diffusion-based poulticing methods
12 6 Test equipment
7 Methodology for the determination of the operational parameters
7.1 General
7.2 Selection of the poultice/s component/s
7.3 Poultice formulation and required properties
13 7.4 Poultice preparation by water addition
7.5 Trial evaluation of harmfulness and effectiveness
7.5.1 General
14 7.5.2 Measuring the amount of ions transferred from the substrate to the poultices
7.5.3 Measuring the ion content in the substrate before and after desalination
8 Desalination process
8.1 Environmental conditions of application
15 8.2 Preparation of the substrate
8.3 Poultice application
8.3.1 General
8.3.2 Thickness of poultice
8.3.3 Time of application
16 8.3.4 Removal of the poultice
8.4 Number of applications
9 Test report
18 Annex A (informative) Desalination poultices
20 Annex B (informative) Advection and diffusion process
22 Annex C (informative) Workability and consistency: Flow test (EN 459‑2) and Cone penetration (EN 413‑2) of poultices
23 Annex D (informative) Identification of salt species or ions according to EN 16455
24 Annex E (informative) Number of applications
27 Bibliography

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BS EN 17891:2023
$142.49