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solomon levi
06-08-2009, 09:39 AM
Here, in Agricola's work, he gives a way to make a spirit of salt (HCl) that will dissolve gold. I think it makes sense since the charcoal may act like the hydrogen peroxide does.

"If someone cannot work this process of the spirit of salt for lack of the right instruments, and yet would need it, let him take 1 lb. of crushed salt and 2 lbs. of coaldust, mix them well together and distill them in the common way through a retort. He will also obtain a good spirit, but it must be well rectified once or three times to rid it if its feces. He can also use it in the dissolution of the Sun, as our author would have it."

solomon levi
06-08-2009, 06:25 PM
Here's a nice one for nitric acid - doesn't even need to be distilled!
From French's "Art of Distillation"...

TO TURN SALTPETRE INTO A WATER BY A MERE DIGESTION
Take of saltpetre powdered very small and with it fill the fourth part of a bolt head. Close it well and let it stand in the heat of ashes or sand the space of six weeks, and you shall see a good part of it turned into water. Continue it in the said heat until it be all dissolved.
This is of incomparable use in fevers and against worms or any putrefaction in the body, and is indeed a most rare secret.

True Initiate
06-09-2009, 12:48 AM
Thank you for this information! :)

From where comes the Agricola's quotation?!

k89
06-09-2009, 01:04 AM
From where comes the Agricola's quotation?!

Treatise on gold (http://www.levity.com/alchemy/agric_03.html)

solomon levi
06-09-2009, 09:16 PM
Yes, that's correct.