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 Platinum (Pt) is one of a group of six chemical elements
collectively referred to as the platinum-group elements
(PGE). The other PGE are palladium (Pd), iridium (Ir),
osmium (Os), rhodium (Rh) and ruthenium (Ru).
 Chemically the PGE are all very similar, but their
physical properties vary considerably. Platinum, iridium
and osmium are the densest known metals, being
significantly denser than gold. Platinum and palladium
are highly resistant to heat and to corrosion, and are soft
and ductile. Rhodium and iridium are more difficult to
work, while ruthenium and osmium are hard, brittle
and almost unworkable. All PGE, commonly alloyed
with one another or with other metals, can act as
catalysts which are exploited in wide range of industrial
applications.
Introduction

Platinum Group
Elements

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Platinum Group Of Elements(PGE) main.pptx

  • 1.
  • 2.  Platinum (Pt) is one of a group of six chemical elements collectively referred to as the platinum-group elements (PGE). The other PGE are palladium (Pd), iridium (Ir), osmium (Os), rhodium (Rh) and ruthenium (Ru).  Chemically the PGE are all very similar, but their physical properties vary considerably. Platinum, iridium and osmium are the densest known metals, being significantly denser than gold. Platinum and palladium are highly resistant to heat and to corrosion, and are soft and ductile. Rhodium and iridium are more difficult to work, while ruthenium and osmium are hard, brittle and almost unworkable. All PGE, commonly alloyed with one another or with other metals, can act as catalysts which are exploited in wide range of industrial applications. Introduction