|
|
Discovered by Sir Humphrey Davy in
England, in 1808. But minerals containing barium were
discovered by Karl Scheele in 1774.
All barium compounds that are water
or acid are poisonous, when they come in contact with oxygen
or moisture. There is no OSHA regulation for time of
exposure.
Alkaline: Of, relating to, or
containing an alkali. Having a Ph greater than 7 Isotopes: One of two or more
elements, having the same atomic number, but different
number of electrons. Diagnostic: A conclusion after a
hard and clinical study. Radiologist: The branch of medicine
that deals with the use of radioactive substances in
diagnostic and the treatment of diseases. Pyrotechnics: The art of making and
setting off fireworks. Abundance: A great and plentiful
amount. Emit: To give or send out(matter or
energy). Insoluble: That cannot be
dissolved, insoluble matter.
| |||||||||||||||||||||||||||||||||||||||||||||||||||
|
|