Tin
Sn
50
118.71
1s22s22p63s23p63d104s24p64d10
5s25p2
Biological significance

➤ It is a component of bone tissue (0.08%), liver (0.06%), and is also found in lung sacs.

➤ Leads to rapid growth and intense red-ox reactions.

➤ It is considered to be a component of the gastric enzyme (gastrin), ensuring normal formation of bone structures.

➤ Sn+2 is characterized by the property of complexation with sulfur-containing bioligands, amino and oxy acids.



Excess in the body

➤ The normal concentration in the human body is about 17 mg (2·10-5).

➤ An increased amount of stanum is unlikely and very rare.

Deficiency in the body

➤ Causes disruption of biochemical reactions, especially metabolism.

Drugs/dose

➤(C4H9)2Sn(OCOC11H2)3, (Dilaurinate dibutylol) - in veterinary medicine.

➤ "Amalgam Silver contains 28% Sn and is used to produce metal fillings.

Conventional medicine

➤ It is used for preventive measures against helminthic diseases. .

Unconventional medicine

-

Toxic effect/antidote

➤ When performing aerosol therapy with high concentrations of Sn vapor mixtures, there is a possibility of intoxication.

➤ Strong negative effect on bone marrow function and clear manifestation of aplastic anemia.

➤ There is no specific antidote.

Interesting facts

➤ Sn has been known since prehistoric times.

➤ Bronze is an Sn-Cu alloy, the first "artificial" material made by man.

➤ Half of the world's Sn production is used for tin cans (which are then used to extract tin again).

➤ Staniol - sheets of almost pure tin (95%) - for electric capacitors.

➤ "Gold leaf" - SnS2 - golden yellow crystals.

➤ "Tin plague" is the transformation of white tin into grey tin at t below 13.2oC (fine powder).

➤ Babbitt (after the name of the engineer Babbitt) is an Sn-Pb alloy that exhibits anti-friction properties (reduces friction).



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