➤ In low concentrations, it acts as an activator in the course of biological reactions - metabolism.

➤ Toxic effect is manifested.

➤ Dermatological diseases (dermatitis), allergic reactions occur.

➤ Leads to disorders of the normal functioning of the liver (hepatitis).

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➤ ¹¹¹In

individual dosage.

➤ It is widely used in spintronics, in CT studies and preventive measures for oncological pathologies, and during laser therapy.

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➤ In the form of a pure metal, it has low toxicity.

➤ Alloys and compounds containing indium are toxic. Toxic effects on the respiratory system and epidermis (irritation, allergic reactions) are inherent.

➤ There is no specific antidote.

➤ In 1924, the world's indium metal reserves weighed 1g.

➤ The half-life of the ¹¹⁵In isotope is 6-10¹⁴ years.

➤ Alloy of 24% In and 76% Ga liquid at t=16^oC.

➤ Searchlight mirrors are made of indium.

➤ Wood's alloy contains 18% In.