The pharmacopoeia of the Royal College of Physicians of London [1824] / A translation ... by Richard Phillips.

Date:
1824
Catalogue details

Licence: Public Domain Mark

Credit: The pharmacopoeia of the Royal College of Physicians of London [1824] / A translation ... by Richard Phillips. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    VJI nas; but my object being that of explaining tlie na- ture of the chemical compounds, and of describing the causes upon which their difference depends, I have on this occasion, as well as in some other cases, altered the order, and have treated of carbonate of potash before the solution, because a knowledge of the properties of the carbonate must be acquired before the separation of its carbonic acid by the action of the lime can be understood. In my translation of the late Pharmacopoeia I mentioned the properties which indicated the quali- ties of various medicines, and described the means which might be adopted for the detection of impu- rities and adulteration. This very useful appendage to a Pharmacopoeia has now been introduced by the College, and to their original directions for this pur- pose I have added such remarks as it appeared to me might further tbe purpose of their introduction. The tests which have been proposed are the more necessary, because the College no longer insist that the medicines which they direct, should be prepared exactly in the mode prescribed, provided they will stand the trials of their purity, to which it is pro- posed they shall be submitted. I have in many cases given the crystalline forms of various salts ; and these, with scarcely any ex- ception, have been derived from the communications of my friend Mr. Brooke to the Annals of Philo- sophy. I have also added the symbols of most chemical compounds, not that I would be under-