I.S. EN ISO 2177:2004
Current
The latest, up-to-date edition.
METALLIC COATINGS - MEASUREMENT OF COATING THICKNESS - COULOMETRIC METHOD BY ANODIC DISSOLUTION
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Instrumentation
6 Electrolyte
7 Factors affecting the measuring accuracy
7.1 Coating thickness
7.2 Current variation
7.3 Area variation
7.4 Agitation (if required)
7.5 Alloy layer between coating and substrate
7.6 Purity of coatings
7.7 Condition of test surface
7.8 Density of coating material
7.9 Cleanliness of the cell
7.10 Cleanliness of electrical connections
7.11 Calibration standards (if used)
7.12 Non-uniform dissolution
8 Procedure
8.1 General
8.2 Preparation of test surface
8.3 Cell application
8.4 Electrolysis
8.5 Undercoats
8.6 Examination after test
8.7 Coatings on cylindrical specimens
9 Expression of results
10 Measurement
11 Test report
Annex A (informative) Typical electrolytes
Annex B (informative) Types of instrument
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