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 white crystalline heavy powder.
Reactions. - It is rendered yellow by affusion with water, the subsulphate being formed. Entirely volatilised by heat.