Surely you mean low sulfide? In fact, mild sulfidisation of silver is
not deleterious to solderability and is conductive, to boot. If it's
black, then that is too much! Which sulfur compounds do you anticipate
it may encounter?

Brian


On 09.04.2014 19:49, Greg Munie wrote:
> Anyone have a working definition of "sulfur free" as it impacts solderability of silver finishes?
>
> As an old chemist I would expect the definition "sulfur free" could have both a concentration and a time a part can be exposed to that concentration before soldering is impacted.
>
> Any thoughts/assistance is appreciated.
>
> Greg Munie Ph.D.
> Director of Design Programs
> +1-847-616-7100 tel
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