Essay by KiyiJunior High, 7th gradeF, January 1996

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Tin's discoverer is unknown but one thing is known. Tin has been used and

discovered by the ancients. Tin was an accidental discovery.

Tin has been around for many years. Proof is in the fact that tin is

mentioned in the old testament of the bible.

Tin had a great effect on the world because of its low price, high electric

conductivity, and because tin protects against rust and weak acids in food if the

can is made out of tin instead of aluminum.

Some common compounds of tin are organtin a combination of carbon and

tin. When tin is formed with carbon to make organtin it can make more than 500

organtin compounds. These compounds are used in everyday things. One is toothpaste

containers and also are things such as wood, paper, textile, farm sprays, and

Hospital disinfectants.

To get pure tin you must first find ore cassiterite or tin stone, a dioxide of

tin. The ore cassiterite before smelting and roasting must be crushed into a powder

to remove the arsenic and sulfur from the ore cassiterite. When you smelter the

tin you must heat it with carbon to remove the zinc, copper, bismuth, and iron

from the tin.

Tin had been used for many things but tins use is dropping rapidly although

tin is still used a lot for plating. Plating such things as electical contacts.

Tin is also used as a protective coating. This protective coating can be as

small as 15/1,000,000 of an inch. This protective coating protects against rust on

steel and other metals. A coating of tin also gives a great look to plain old


Tin cans for food prevents weak acids from damaging the inside of

the can. Not many cans are made of tin since aluminum started to be...