Platinum

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Platinum
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Origin The name is derived from the Spanish
platina, meaning silver.
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Platinum
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They are
silvery-white metal
malleable
ductile
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Discovery
? Platinum was discovered by South
Americans and taken to Europe about
1750. ? The metal was used by pre-Columbian
Indians.
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Availability
Available in many forms including foil, sheet,
wire, insulated wire, "evaporation slugs", gauze,
powder, sponge, and mesh. Small and large samples
of platinum foil, sheet, wire, insulated wire and
mesh and platinum alloys in wire and insulated
wire form
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The above shows a platinum crucible.
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The metal is not affected by air or water at any
temperature.
insoluble in hydrochloric and nitric acid
dissolves when they are mixed to form aqua redial

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Uses
extensively for jewelers wire and many valuable
instruments including thermocouple elements.
for electrical contacts, corrosion- resistance a
apparatus and in dentistry
as a catalyst in the petroleum cracking
industry.
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Biological Role
Has no known biological role, and is non-toxic.
The price of platinum fluctuates, but it can cost
eight times as much as gold
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Product of platinum
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We choose this topicPlatinum because we think
that its a beautiful and unique Elements. After
this project ,we can learn more about the
Platinum. We all become love this element so
much!
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