Palladium
Pd
46
106.42
1s22s22p63s23p63d104s24p64d10
Biological significance

➤ Palladium acts as a catalyst for biochemical reactions that affect the metabolism of carbohydrates and lipids.

➤ Due to its catalytic effect, it activates the oxidative processes of glycolysis, an important stage of glucose decomposition at the cellular level.

Excess in the body

➤ Causes nausea and irritation of the mucous membranes, resulting in allergic reactions.

Deficiency in the body

-

Drugs/dose

➤ Metal palladium D12, Tab. 10г.

Conventional medicine

➤ They have been used in the field of radiation therapy for the prevention of oncological pathologies.

Unconventional medicine

-

Toxic effect/antidote

➤ Pd as a pure metal does not pose a health hazard.

➤ Toxic effects are characteristic of mixtures of compounds containing palladium. Dysfunction of bone marrow structures and severe aplastic anemia are observed.


➤ There is no specific antidote.

Interesting facts

➤ Out of the six platinum metals (Ru, Rh, Pd, Os, Ir, Pt), only Pd occurs in its native state.

➤ Palladium platinum contains 40% Pd.

➤ Pd was discovered in the Sun in 1868.

➤ Melting point 1552oC, boiling point 3980oC.

➤ "White gold is gold that has been discoloured by Pd additives. The outer shell of Pd has 18 electrons, which makes it highly resistant to chemicals (even fluoride).

➤ At room temperature, 1 volume of Pd dissolves 950 volumes of hydrogen.

➤ The Wollaston Medal is made of pure Pd.

➤ Using a piece of paper moistened with a PdCl2 solution , the presence of CO in the air is detected: palladium black is released.


Chemist William Wollaston
on how he discovered Palladium

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