Ferri Peroxidum Hydratum
= Ferri Peroxidum Hydratum
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In the 1864 British standard, the fresh wet hydrated ferric-oxide preparation, preserved without drying. Later naming must not be assumed to denote the same material. <The Essentials of Materia Medica and Therapeutics by Alfred Baring Garrod (1865)>[corresponding British monograph]{ref}