The pharmacopoeia of the Royal College of Physicians of London, MDCCCXXIV / Translated ... by Sir George Leman Tuthill.

Date:
1824
Catalogue details

Licence: Public Domain Mark

Credit: The pharmacopoeia of the Royal College of Physicians of London, MDCCCXXIV / Translated ... by Sir George Leman Tuthill. Source: Wellcome Collection.

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    PREPARATIONS AND COMPOUNDS. ACIDA. ACIDS. ACIDUM ACETICUM DILUTUM. . DILUTED ACETIC ACID. Taxe of Vinegar, a gallon ; Pour the Vinegar into a glass retort, and let the diluted acetic Acid distil over, by the aid of a sand-bath, into a glass receiver kept cold; throw away the first pint, and keep the six suc- ceeding pints for use, ACIDUM BENZOICUM. BENZOIC ACID. Take of Benzoin, a pound; - _ Put the Benzoin into a glass vessel placed in a sand-bath ; and having heated it to 300°, sub- lime, gradually increasing its temperature until no more acid rises; fold the sublimate in bibu- lous paper and press it, so as to free it from the adhering oil; then sublime it again at a temperature not exceeding 400°. D