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BS EN ISO 4524-3:2021

BS EN ISO 4524-3:2021

$86.31

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

Published By Publication Date Number of Pages
BSI 2021 12
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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
2 National foreword
4 European foreword
6 Foreword
7 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
8 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
9 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
10 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
11 7.6 Expression of results
8 Test report

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BS EN ISO 4524-3:2021
$86.31