By Atherton Seidell
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Extra info for A Handbook of Most Reliable Quantitative Solubility Determinations
We hope this gentleman will not despise our free communication, both to him and the public, if we show the insufficiency of his method, though it is ingenious, while we establish the rationale of ours on the neverfailing ground of truth and philosophy. He observes, with a precision which can only result from numerous trials, that different herbs impart their tinctures in such proportions of alcohol as he has found out. It is allowed that the volatile spirit and balsamic sulphur are thus extracted; but there are the essential, or fixed, salt and sulphur of the herb yet left in the process.
The making of our Gum, or Green Lion. Then put all these cold liquors, thus filled, into a fit glass vessel and set it in Balneo Mariae to evaporate in a temperate heat; which done, our sericon will be coagulated into a green gum called our Green Lion; which gum dry well, yet beware thou burn not his flowers, nor destroy his greenness. The extraction of our Menstruum or Blood of our Green Lion. Then take out the said gum and put it into a strong retort of glass, very well luted, and place it in your furnace, and under that, at the first, make sober fire, and anon you sec a white smoke or fume issue.
P. 128] The Separation of the Elements whereof the first is the Air, and is also counted our Ardent Water and our Water Attractive. Then put all the said putrefied menstruum into a still of fine Venice glass, fit for the quantity thereof; put on the limbeck, and close it to the still with a fine linen cloth dipped in the white of an egg, and then set it in Balneo Mariae, put to the receiver, which must be of great length, that the spirit respire not out again; and with a very temperate heat separate the elements one from another, and then the element of air will issue forth first, which is an oil.
A Handbook of Most Reliable Quantitative Solubility Determinations by Atherton Seidell