Bicentenary of Four Platinum Group Metals
The years 2002 to 2004 mark the bicentenaries of the discoveries of rhodium, palladium, iridium and osmium. Two remarkable people were responsible for their discoveries ‐ William Hyde Wollaston (1766‐1828) the discoverer of rhodium and palladium, and his friend Smithson
Tennant (1761‐1815) the discoverer of iridium and osmium. This and a subsequent paper will seek to retell the stories of their discoveries, and to indicate the growing usefulness of the metals throughout the nineteenth century to their importance today. In this first part we will discuss
Wollaston and his discoveries. Part II, to be published in a later issue, will complete the story with Tennant’s discoveries of the more intractable elements iridium and osmium.
Document Type: Research Article
Publication date: 01 October 2003
Johnson Matthey's journal of research on the platinum group metals and developments in their application in industry from 1957-2014. It has now been renamed the Johnson Matthey Technology Review
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