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      This standard specifies the test method for the continuity of metal platings on the surface of copper conductors using the ammonium persulfate method, including test equipment, sample preparation, measurement procedures and result evaluation. This method is suitable for the continuous detection of platings such as tin plating, silver, nickel, etc., to ensure that the product meets the relevant mass standards. This standard is equivalent to GB/T 4074.9-2009 and should be used in combination with GB/T 4909.1-2009.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
      Status Active
      CCS K11 ICS 29.060.10
      Release Date 2009-03-19 00:00:00 Implementation Date 2009-12-01 00:00:00
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