In article , Ed Huntress
says...

Some may be interested to know that they use this method to reduce rust and
to remove salt from metal objects recovered from ancient ship wrecks. The
time they leave it in the tank is often up to two YEARS. Yike.

That's *nothing* Ed. I personally have some rusty artifacts
in my shop that have remained in situ for up to *five* whole
years. They seem to be aging quite nicely indeed.

:^)

Jim

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