platinum ppt preparated by mir hama 1

Prepared by :Muhammad Harbi

Salahadin University College Of ScienceDepartment Geology

Platinum, 78 , Pt

Element Number and Symbol

Platinum is element number 78 in the periodic table.Platinum’s symbol is Pt.

Bohr’s Diagram

Name

name is derived from the Spanish term platina,

which is literally translated into "little silver"

Platinum

Platinum is period 6 in the Periodic TableIt belongs to group 3, column 10 in the

Periodic Table , d-blockIt is a transition metal

Where is Platinum found?

It is one of the rarer elements in Earth's crust with an average abundance of approximately 5 μg/kg only a few hundred tonnes are produced annually.

Most often the native platinum is found in secondary deposits in alluvial deposits.

However, it is found mixed in with some other metals such as “gold, nickel, and copper”.

It can also be found in the countries of South Africa, Russia, Canada, USA

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What are the Uses and value of Platinum?

Platinum is used in jewelry, car engines, electronics, glass, and spark plugs

The price of platinum, like other industrial commodities, is more volatile than that of gold. In 2008 ,the price of platinum dropped from $2,252 to $774 per oz, a loss of nearly 2/3 of its value. By contrast, the price of gold dropped from ~$1,000 to ~$700/oz during the same time frame, a loss of only 1/3 of its value.

Uses

Archaeologists have discovered traces of platinum in the gold used in ancient Egyptian tombs and hieroglyphics as early as 1200 BC. 245 tonnes of platinum sold in 2010, 113 tonnes were used for vehicle emissions control devices (46%), 76 tonnes for jewelry (31%). The remaining 35.5 tonnes went to various other minor applications, such as investment, electrodes, anticancer drugs, oxygen sensors, spark plugs and turbine engines.

The ring in princess Diana’s engagement

the Crown of Queen Elizabeth the Queen Mother, manufactured for her coronation as Consort of King George VI, is made of platinum

price of platinum in 2016

Health issues

According to the Centers for Disease Control and Prevention, short-term exposure to platinum salts may cause irritation of the eyes, nose, and throat, and long-term exposure may cause both respiratory and skin allergies

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