Dating gold artifacts

Soaking in fresh water is best, but salt water will do fine temporarily.Even wrapping the item in plastic will usually keep in enough moisture until preservation can begin.Another method used to clean brass and bronze is electrolysis.

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To set up an electrolysis tank, start with a plastic container of a suitable size so that the artifact may be completely submerged, a car battery charger and an anode of stainless steel which has been attached to the positive side of a DC power source.Please use the information below at your own discretion.BRASS and BRONZE shipwreck artifacts Both brass and bronze hold up very well in salt water.For example, three amps is more than sufficient to clean a porthole.Of course, the voltage must be sufficient to achieve proper flow. Let the artifact soak, fully submerged, for a couple of days or until the artifact is clean.

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