The first video EVER to show a simple Hg/alum. amalgamation in process, totally unassisted by gallium — all done at room temperature.
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Wiki: Aluminium in air is ordinarily protected by a molecule-thin layer of its own oxide which is not porous to oxygen. Mercury coming into contact with this oxide does no harm. However, if any elemental aluminium is exposed (even by a recent scratch), the mercury may combine with it, starting the process described above, and potentially reacting with a large part of the aluminium before it finally ends