Interesting Facts about Platinum

Interesting Facts about PlatinumDue to these experiments, platinum was separated from other known elements, however their samples still contained the as-of-yet undiscovered other members of the platinum metals team.

Even though Spanish scientist Antonio de Ulloa is given the credit for finding platinum in 1748, a big number of European scientists started studying and trying to isolate platinum.

Such as the other platinum metals, a common way of production of platinum is as a waste item in the refining of nickel and copper.

This contamination by other members of the PMG resulted in inaccuracies in their experiments with time.

For pretty much 100 years (1889 to 1960), a ninety% platinum alloy was the international standard for that definition of one meter. 

Platinum Facts for Kids

Platinum has six isotopes that take place in nature.

You can find also thirty-one synthesized isotopes of platinum.

Just one of those naturally taking place isotopes is radioactive.

The Earth's moon and meteorites frequently contain higher concentrations of platinum.

Platinum is regarded as very rare, at just 0.005 parts per million in the earth's crust.

It is also often discovered combined with iridium.

It does take place naturally in an uncombined state.

South Africa is the top producer of refined platinum, controlling seventy seven% of the worldwide share.

The same areas that produced the original samples taken to Europe for further research are still the main sources of platinum mining.

Although treasured for jewelry making, nearly half of platinum's main industrial application is in catalytic converters with regard to automobiles. 

Physical Properties of Platinum

Platinum is a lovely silvery-white metal, when pure and is ductile and malleable. It features a coefficient of expansion almost equal to that of soda-lime-silica glass and is therefore utilized to make sealed electrodes in glass systems.

The metal will not oxidise in air. It is insoluble in nitric and hydrochloric acid, however dissolves when they are combined as aqua regia, developing chloroplatinic acid (H2PtCl6), a significant compound. It is corroded by cyanides, halogens, alkalis and sulphur. Hydrogen and oxygen gas mixtures explode in the existence of platinum wire.

Physical properties:

1) Insoluble in water

2) Solid

3) Liquid density at melting point=19.77 gcm^−3

4) Density= 21.45 gcm^−3

5) Boiling point=3825 C

6) Melting point=1768.3 C

7) Heat of vaporization=469 kJmol−1

8) Heat of fusion=22.17 kJmol−1

9) Color: Lustrous silvery-white

10) Specific heat capacity(at 25 C)= 25.86 Jmol−1K−1

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