ilver Platings

Sulfer reacts with silver by forming silver sulphide that could creep and
cause shorts to adjacent leads. A similar problem was encountered by a big
computer manufacturer where sulfer from the carpet backing and adhesive used
caused module corrosion with high fall out of components. Special filters
were required to filter the sulfer out of the boxes. Finally the carpet was
replaced.

Gold should be relatively immune unless it is porous (< 10 microinches) and
base metal ie copper/nickel will react to sulfer.