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BS EN ISO 4538:1995

Metallic coatings. Thioacetamide corrosion test (TAA test)

Standard Details

Reagents, apparatus and procedure for assessing the efficiency of tarnish-preventing treatments of silver and gold and for detecting discontinuities in precious metal coatings by exposure to an atmosphere containing volatile sulphides. Gives guidance on the number and type of test specimens, the exposure period and criteria of failure.

General Information

Status : Definitive
Standard Type: Main
Document No: BS EN ISO 4538:1995
Document Year: 1995
Pages: 12
  • Section Volume:
  • GBM15 Metal Treatment & Welding (GMB15)

Life Cycle

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Definitive
BS EN ISO 4538:1995
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