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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.220 Surface treatment and coating>25.220.40 Metallic coatings>BS EN ISO 4538:1995 Metallic coatings. Thioacetamide corrosion test (TAA test)
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immediate downloadReleased: 1995-05-01
BS EN ISO 4538:1995 Metallic coatings. Thioacetamide corrosion test (TAA test)

BS EN ISO 4538:1995

Metallic coatings. Thioacetamide corrosion test (TAA test)

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Standard number:BS EN ISO 4538:1995
Pages:12
Released:1995-05-01
ISBN:0 580 10504 0
Status:Standard
DESCRIPTION

BS EN ISO 4538:1995


This standard BS EN ISO 4538:1995 Metallic coatings. Thioacetamide corrosion test (TAA test) is classified in these ICS categories:
  • 25.220.40 Metallic coatings

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.