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BS EN ISO 4524-3:2021 – TC

BS EN ISO 4524-3:2021 – TC

$112.35

Tracked Changes. Metallic coatings. Test methods for electrodeposited gold and gold alloy coatings – Electrographic tests for porosity

Published By Publication Date Number of Pages
BSI 2021 30
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This document specifies four electrographic tests for assessing the porosity of electrodeposited gold and gold alloy coatings for engineering, and decorative and protective purposes.

PDF Catalog

PDF Pages PDF Title
1 30448753
19 A-30373686
20 National foreword
22 European foreword
24 Foreword
25 1 Scope
2 Normative references
3 Terms and definitions
4 Nioxime paper test
4.1 Applicability
4.2 Materials
4.2.1 General
4.2.2 Nioxime paper
4.2.3 Moistened blotting paper
26 4.3 Procedure
5 Dye-transfer paper test 1
5.1 Applicability
5.2 Materials
5.2.1 General
5.2.2 Dye-transfer paper
5.3 Procedure
27 6 Dye-transfer paper test 2
7 Electrographic gelatine film test
7.1 Principle
7.2 Reagents
7.2.1 Gelatine
7.2.2 Electrolyte solution
28 7.2.3 Dimethylglyoxime, indicator solution
7.3 Testing solution
7.4 Apparatus
7.4.2 Stirring device.
7.4.4 Rectifier.
7.5 Procedure
7.5.1 Electrolytic process
7.5.2 Drying
7.5.3 Evaluation
29 7.6 Expression of results
8 Test report

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BS EN ISO 4524-3:2021 - TC
$112.35