OS GSO ISO 4538:2013
ISO 4538:1978
Omani Standard
Current Edition
·
Approved on
31 December 2013
Metallic coatings -- Thioacetamide corrosion test (TAA test)
OS GSO ISO 4538:2013 Files
English
3 Pages
Current Edition
Reference Language
OMR
20.35
OS GSO ISO 4538:2013 Scope
1.1 This International Standard specifies the apparatus and the procedure for assessment of the resistance of metal surfaces to corrosion and tarnish in atmospheres containing volatile sulphides, carried out in accordance with coating or product specifications.
1.2 The method is applicable to the assessment of the efficacy of tarnish-preventing treatments applied to silver or copper and to the detection of discontinuities in precious metal coatings on these metals.
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