But I suspect these items may have been flash plated or washed with
a 23K or 24K wash. I am not positive but it is my suspicion. I know
you folks that do much repair run into this problem, especially
with imp orted chains, and wondered if you had any advice
Touching up plated stuff is tricky for sure. The main thing as I see
it is that there are numerous formulations of plating liquids that
its a shot in the dark whether yours will match. Heck, even touching
up your own plating (with the same liquid) can be iffy sometimes.
The telltale(usually but not always) thing is that a plated piece
will often have a hard look. I think that's the point of gold plating
gold, a more brilliant shine. When I see that hard look I inform the
client the color will likely change and why.
catalog that it had been plated with pure silver. Luckily the fix
was easy when I saw the change
Fine silver on sterling is not too frustrating to deal with. Its the
silver(or rhodium) over nickel over copper over a sterling base
that's a superior pain. The copper bubbles up, the nickel polishes at
much different rate..you wind up chasing a nickel 'edge' all over the
piece til you get to a design break.
Another thing altogether is 18K yellow alloyed with a high silver
content(my assumption). This stuff will tarnish sometimes within a
few days. I feel it actually looks better tarnished but you can't
present it that way. Anyway, on something like this, when you get
color change polish the whole piece and let it tarnish evenly. A
liver of sulphur bath sometimes will speed the process, but I hate
The owner makes jewelry and uses a good amount of imported gold
chain and components.
A frank but diplomatic discussion with the owner about the
consequences of heating plated jewelry would be in order. After all,
it's not your decision to use these problematic items.