This section is from the book "A Text-Book Of Pharmacology, Therapeutics And Materia Medica", by T. Lauder Brunton. Also available from Amazon: A text-book of pharmacology, therapeutics and materia medica.
Characters. - Thin scales of a greenish golden-yellow colour, somewhat deliquescent.
Solubility. - It is entirely soluble in cold water.
Reactions. - The solution is very slightly acid, and is precipitated reddish-brown (iron) by solution of soda, white (quinine) by solution of ammonia, blue by the yellow (ferric) and red prussiates (ferrous) of potash, and greyish-black by tannic acid. The taste is bitter (quinine) as well as chalybeate.
Dose. - 5 to 10 grains.
Dose. - 8 to 15 minims (1/2-1 c.c).