Liquor Picis Ligni, B.P.C. Solution of Wood Tar.
Botanical name:
Related entry: Pix liquida
Wood Tar | 5.00 | | | 1 ounce |
Quillaia Bark, in No. 20 powder | 10.00 | | | 2 ounces |
Alcohol | to 100.00 | | | to 20 fl. ounces |
Prepare a tincture measuring 100 (20 fluid ounces) by percolating the quillaia bark with the alcohol, digest the wood tar in this tincture at a temperature of 50° for two days, stirring occasionally. Cool and filter, and if necessary make up to the required volume.