Spiritus Olei Volatilis (N. F.)—Spirit of Volatile Oil.
Preparation.—"Any spirit or alcoholic solution of a volatile oil, for which no formula is given by the U. S. P., or by this Formulary, should be prepared in accordance with the following general formula: Any volatile oil, sixty-five cubic centimeters (65 Cc.) [2 fl℥, 95♏︎]; deodorized alcohol, nine hundred and thirty-five cubic centimeters (935 Cc.) [31 fl℥, 272♏︎]. Dissolve the volatile oil in the deodorized alcohol. Note.—The strength of the spirit thus prepared is approximately 5 per cent, by weight, provided the specific gravity of the oil is in the neighborhood of 0.900"—(Nat. Form.).
