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Attempting to further authenticate "mercury free"

Attempting to further authenticate "mercury free"

Attempting to further authenticate "mercury free"

(OP)
I've seen where a solution of Calcium Polysulfide (sometimes refered to as Lime Sulfur) can be used to clean any mercury off of a mercury contaminated item. Does any body have any experience with this?
We do some work with the US Gov (Army/Navy etc.) and they are keen on "mercury free" certifications. We are trying to develop an in-house method to clean items - metal hardware, fasteners/pins/shafts etc. - so we don't have to constantly go back to the vendor and his vendor (ad nauseum) to get mercury free statements. We'd like to clean in-house by soaking and rinsing. Any thoughts/comments would be appreciated.

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