Extractum Arnicae Liquidum, B.P.C. Liquid Extract of Arnica.

Botanical name: 

Format explanation.
Related entries: Arnica

Arnica Rhizome, in No. 60 powder 100.00 |  20 ounces
Alcohol, a sufficient quantity.
Distilled Water, a sufficient quantity.

Exhaust the drug by percolation with a mixture of alcohol, 3 and distilled water, 1. Reserve the first 80 (16 fluid ounces) of percolate, evaporate the remainder to a soft extract, dissolve in the reserved portion, and add sufficient menstruum to produce 100 (20 fluid ounces).

The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.