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BS 5466-4(1979) : 1979 AMD 8478

BS 5466-4(1979) : 1979 AMD 8478

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

METHODS FOR CORROSION TESTING OF METALLIC COATINGS - THIOACETAMIDE TEST (TAA TEST)

Superseded date

15-05-1995

Published date

23-11-2012

Publisher

British Standards Institution

National foreword
Cooperating organizations
Methods
0. Introduction
1. Scope and field of application
2. Reference
3. Principle
4. Reagents
5. Apparatus
6. Test specimens
7. Operating procedure
8. Treatment of test specimens after test
9. Evaluation of results
10. Test report

Describes apparatus and method for evaluating the resistance of metal surfaces to corrosion and tarnish in atmospheres containing volatile sulphides, carried out according to coating or product specifications. Applicable to assessing the efficacy of tarnish-preventing treatments applied to silver or copper and to the detection of discontinuities in precious metal coating on these metals. BS AMD 8478 RENUMBERS THIS STANDARD TO BS EN ISO 4538

Committee
SRC/15
DevelopmentNote
Renumbered and superseded by BS EN ISO 4538. Supersedes 76/54495 DC. (10/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 4538:1978 Identical

BS 6670-2:1986 Methods of test for electroplated gold and gold alloy coatings Environmental tests
BS 4290:1989 Method for specifying electroplated coatings of silver and silver alloys for decorative and protective purposes
BS 2816:1989 Method for specifying electroplated coatings of silver and silver alloys for engineering purposes

ISO 1462:1973 Metallic coatings Coatings other than those anodic to the basis metal Accelerated corrosion tests Method for the evaluation of the results

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