Is anyone familiar with a reasonably quick test to determine solderability
of white tin surfaces?   As a fabricator of QTA product, we have little time
for verification, but like most of you, the end product liability is
tremendous.  Tests that verify first time solderability are not relevant.
Thru-hole coupons are likewise not preferred as extremely little product is
of that technology.   The issues are multiple thermal cycles using various
methods of heating.
I've heard SERA tossed around, but would that be practical for testing other
than virgin product?
Thanks for any replies

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