 British Pharmacopoeia (1867)

Published under the direction of the General Council of Medical Education and Registration of the United Kingdom. This is the contemporary 1867 edition, not a modern pharmacopoeial recipe. The title, publisher and year are verified by the scan catalogue: commons.wikimedia.org/wiki/File:British_pharmacop%C5%93ia,_1867_(electronic_resource)_(IA_b21687298).pdf.

Inspected text: upload.wikimedia.org/wikipedia/commons/a/ae/British_pharmacopoeia_-_1867_%28IA_b21695180%29.pdf. Printed pp. 13–14, Acidum Hydrocyanicum Dilutum: identity, two-percent strength, mixed iron-salt test and silver assays. Printed p. 65, Calx Chlorata: production, appearance and useful oxidizing strength.