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It is one of the most powerful Solvents known in Chemistry: It is neither acid nor alcaline, and therefore is perfectly free from that saline Acrimony with which all the common Volatile Spirits abound: It has a greater Affinity with Gold than Aqua Regia has, altho' it will not dissolve it in the Mass, or whilst in it's Metallic Form; but if you add AETHER to a solution of Gold in Aqua Regia, it presently takes all the Gold from it's former Solvent, keeping it perfectly dissolved and suspended, without the least Precipitation; and becomes of a yellow Colour: The AETHER, thus saturated with the Gold, does not mix with the Aqua Regia, but may readily be separated from it by simple Decantation, and thus a true and safe Aurum potabile is readily prepared for those who want such a Medicine.
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