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. - A dark brown liquid, odourless, having a slightly ferruginous taste and acid reaction.
Reactions. - It gives the reactions of a citrate (p. 594) and a bluish green precipitate with ferrocyanide of potassium, which is increased and rendered dark blue by the subsequent addition of hydrochloric acid.
Dose. - Ten minims (06 c.c), equal to 5 grains of the salt.
 
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