TANTALIO (Ta)

•Anders Gustaf Ekeberg.

• Discovered in 1820.

• Maximum oxidation state on group 5.

• Hard, heavy and malleable.

• Transition metal.

• Greyish blue.

• Metal shine.

• Corrosion resistant.

• High fusion point.

• Good electrical and heat conductor.

• Resistant at acids attacks.

• Dissolution “ácido fluorhídrico”

“fusión alcalina”

• Tántalo Zeus’ son and Niobe’s father.

• Related to resistant at acids.

• Fabrication of electrolytic condenser.

• Essential component of compact and electronic

dispositive.

• Cause of change in chemist reactions.

• It’s extracted from tantalite.

• It appeares mixed with “columbita” “coltan”

80% of global reserves.

IMPORTANCE OF RECYCLE:

• Important conductor.

• Located principally in Africa (Congo).

• It cause lot of exploitation.

• Getting 1 kilo 2/3 deaths Bad work conditions.

800 €

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