ELEMENTS

BISMUTH

• Bi
• Solid
• Multi colored

BISMUTH

• Bismuth was discovered by in ancient times in unknown at not known.
• Origin of name: from the German word "bisemutum".

Bismuth
Bismuth has no biological role. However it has been used for some time as a medicine (tripotassium dicitratobismuthate) for treatment of stomach upsets. In combination with antibiotics it is now used for treatment of some stomach ulcers. It is also to be found in haemorrhoid creams such as Anusol cream and Hemocaneas as bismuth oxide and in Anusol ointment as bismuth subgallate.

PRASEODYMIUM

• Pr
• Solid
• Silver

PRASEODYMIUM

• Praseodymium was discovered by Carl F. Auer von Welsbach in 1885 at Austria. ".
• Origin of name: from the Greek words "prasios didymos" meaning "green twin

Praseodymium
Praseodymium has no biological role but is said to stimulate the metabolism.

Praseodymium is never found in nature as the free element. Praseodymium is found in the ores monazite sand [(Ce, La, etc.)PO4] and bastn°site [(Ce, La, etc.)(CO3)F], ores containing small amounts of all the rare earth metals. It is difficult to separate from other rare earth elements.

LUTETIUM

• Lu
• Solid
• Silver

LUTETIUM

• Lutetium was discovered by Georges Urbain and Carl Auer von Welsbach in 1907 at France, Germany.
• Origin of name: from the Greek word "Lutetia" meaning "Paris".

Lutetium
Lutetium has no biological role but is said to stimulate the metabolism.

Lutetium is never found in nature as the free element. Lutetium is found in the ores monazite sand [(Ce, La, etc.)PO4] and bastn°site [(Ce, La, etc.)(CO3)F], ores containing small amounts of all the rare earth metals. It is difficult to separate from other rare earth elements.

SELENIUM

• Se
• Solid
• Silver

SELENIUM

• Selenium was discovered by Jöns Berzelius in 1817 at Sweden.
• Origin of name: from the Greek word "selene" meaning "moon"

Selenium
Selenium is essential to mammals and higher plants, but only in small amounts. Selenium is said to stimulate the metabolism. It may help protest against free radical oxidants and against some heavy metals. Livestock grown in areas containing high amounts of selenium in the soil and in which a plant called Astragalus ("loco weed" in USA) is present are poisoned. This is because Astragalus concentrates selenium. On the other hand, sheep grown in areas containing deficient amounts of selenium in the soil develop "white muscle disease".