Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour. (ISO 15721:2001)

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

31-01-2002

Publisher

Asociacion Espanola de Normalizacion

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Reagents
6 Safety hazards
7 Procedure
8 Examination
9 Precision
10 Test report
Annex A (informative) Significance and use
Bibliography

Gives equipment and methods for determining the porosity of gold or palladium coatings, particularly electrodeposits and clad metals used on electrical contacts. The porosity test involves corrosion reactions in which the products delineate defect sites in coatings.

Committee	CTN 112
DocumentType	Standard
Pages	16
PublisherName	Asociacion Espanola de Normalizacion
Status	Current

Standards	Relationship
ISO 15721:2001	Identical
NBN EN ISO 15721 : 2001	Identical
NF EN ISO 15721 : 2001	Identical
NEN EN ISO 15721 : 2001	Identical
NS EN ISO 15721 : 1ED 2001	Identical
I.S. EN ISO 15721:2001	Identical
SN EN ISO 15721 : 2001	Identical
UNI EN ISO 15721 : 2001	Identical
BS EN ISO 15721:2001	Identical
EN ISO 15721 : 2001	Identical
DIN EN ISO 15721:2001-08	Identical