On Apr 8, 1:35*pm, "Michael A. Terrell"
wrote:
RoyJ wrote:

IIRC, you should never, ever, use tin/lead solder on an item made from
silver because the solder becomes alloyed with the silver and forms an
alloy with all of the properties of puppy poop.

Could you be more specific? *

* Rottweiler

Thanks, now I have rice up my nose.

Quickly soldering a wire to a gold-plated pad causes a similar problem
by making a brittle gold-lead alloy layer, and the wire and solder may
peel off.
If you heat the solder for a few extra seconds the gold dissolves and
the joint is strong.

Jim Wilkins