Liquor Rusci, B.P.C. Solution of Birch Tar Oil.
Related entry: Birch Tar Oil
|Birch Tar Oil||10.00|||||2 fl. ounces|
|Quillaia Bark, in No. 20 powder||10.00|||||2 ounces|
|Alcohol||to 100.00|||||to 20 fl. ounces|
Moisten the quillaia bark with 5 (1 fluid ounce) of the alcohol and complete the percolation process, to produce 90 (18 fluid ounces) of the tincture; add the birch tar oil and allow to stand for two days, shaking occasionally, decant the supernatant liquid.
The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.